JP2005112735A - Gel composition having stretchability and method for producing the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a highly safe and readily producible gel composition optimal when utilized as a base for a cosmetic, a medicine, or the like, having high strengths and good stretchability, stable even in use over a long period, and to provide a method for producing the same. <P>SOLUTION: The gel composition is obtained by heating a mixture containing natural polysaccharides containing at least uronic acid and a deoxysaccharide in a constituent monosaccharide, a polyhydric alcohol and water and has the stretchability. The method for producing the same is provided. Polysaccharides produced by a microorganism can be used as the natural polysaccharides, e.g. the polysaccharides produced by a bacterium Alcaligenes latus B-16 strain. Acidic polysaccharides containing glucose, fucose, glucuronic acid and rhamnose as constituent monosaccharides can be used as the polysaccharides. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a gel composition having stretchability and a method for producing the same, and more particularly, for example, suitable for use as a base material for cosmetics and pharmaceuticals, easy to manufacture, high in safety, and stretchable. The present invention relates to a gel composition and a method for producing the same.

Conventionally, gel-like compositions have been used as base materials for cosmetics and pharmaceuticals. As this gel composition, a carboxyvinyl polymer or a carboxyvinyl polymer derivative is frequently used because of its ease of production and flexibility.
In order to gel this carboxyvinyl polymer, a neutralizing agent is required, but in order to improve the skin irritation and stability by this neutralizing agent, carboxymethyl chitin was used instead of the neutralizing agent. Gel compositions and the like are also known (see, for example, Patent Document 1).
Moreover, in order to improve the moisturizing effect, a gel composition using a neutral amino acid instead of a neutralizing agent is known (for example, see Patent Document 2).

However, the organic substance used in place of the neutralizing agent contains an amino group that is basic, and this organic base may be changed to nitrosamine, which causes a problem in use.
In addition, these gel bases have problems such as low gel strength, relatively easy release of moisture, not retaining initial characteristics, unstable to pH and electrolyte, lack of stability over time, etc. Also had.
Therefore, a gel composition made of a copolymer of N-vinylacetamide and acrylic acid and / or acrylate is known in order to have high gel strength, no detachment of moisture, etc., and retain initial characteristics. (For example, refer to Patent Document 3).
Furthermore, as a gel of many synthetic polymers, there is, for example, a hydrous gel obtained by metal-crosslinking sodium polyacrylate, aluminum hydroxide gel, and light anhydrous silicic acid in the presence of water (see, for example, Patent Document 4). There is also a water-containing gel obtained by polymerizing a water-soluble vinyl compound such as acrylic acid (for example, see Patent Document 5). Further, there is an aqueous gel obtained by crosslinking polyvinyl alcohol with glutaraldehyde (for example, see Patent Document 6). However, gel compositions composed of these synthetic polymers are not completely contaminated with monomers, and therefore, improvement in skin irritation and the like has been desired.

  On the other hand, examples of the natural product-based gel base include polysaccharides such as hyaluronic acid, xanthan gum, gellan gum, agarose, and carrageenan. However, since these natural polysaccharides are in a gel state, the gel strength is weak and there is no flexibility. There is a problem that the application field is limited such that an external product that requires the use cannot be used for a joint part of a human body.

Therefore, in order to increase the gel strength in the gel state of natural polysaccharides, a method of adding polymethyl methacrylate (PMMA) polymethyl acrylate (PMA) polyethylene glycol, acrylic as a gel reinforcing agent (see, for example, Patent Document 7), epoxy A method of chemically cross-linking such as a compound-based cross-linking agent (for example, see Patent Document 8) is known. However, since it is difficult to completely remove the gel reinforcing agent monomer and the remaining cross-linking agent, there is a need for improvement when used as an external preparation.
JP-A-5-255121. Japanese Patent Laid-Open No. 9-124878 Japanese Patent Laid-Open No. 5-271517 JP 59-93012 A JP 61-106603 A JP-A-1-26633 Japanese Patent Application No. 6-313064 Japanese Patent No. 3107488

  Therefore, the present invention is suitable for use as a base material for cosmetics and pharmaceuticals, for example, a gel having high strength, good stretchability, stable for long-term use, high safety, and easy to manufacture. It aims at providing a composition and its manufacturing method.

  As a result of intensive studies to solve the above problems, the present inventors use a specific natural polysaccharide as a gel by using a polyhydric alcohol and water, which have established safety, as a binder. The inventors have found a safe gel composition and a method for producing the same that have improved strength and are provided with stretchability, and have completed the present invention.

That is, the present invention according to claim 1 is a gel composition having elasticity that contains a natural polysaccharide containing at least uronic acid and deoxy sugar as a constituent monosaccharide, a polyhydric alcohol, and water.
In the present invention of claim 1, since a natural polysaccharide containing at least uronic acid and deoxy sugar is used as a constituent monosaccharide, there is no monomer mixing or other impurities, no skin irritation, and high safety. In addition, it is judged that a strong hydrogen bond is formed by the hydrophilic group of uronic acid, polyhydric alcohol and water, and further has a hydrophobic group part of deoxy sugar, so it has elasticity and has a strong stretch property. A gel composition having a large stretchability and a large tensile strength can be obtained. In addition, it is not necessary to use basic substances or other chemicals for gelation, and because it is stretchable with polyhydric alcohol and water with established safety, it is highly safe and easy to manufacture. .

The present invention of claim 2 is a gel composition having stretchability obtained by heating a mixture containing a natural polysaccharide containing at least uronic acid and deoxy sugar in a constituent monosaccharide, a polyhydric alcohol, and water.
In the present invention of claim 2, since the mixture containing the natural polysaccharide, the polyhydric alcohol, and water is heated, a stronger hydrogen bond can be formed, and the elasticity, tensile strength, elasticity of the gel composition can be formed. As a result, the gel composition can be strengthened and a highly stable gel composition can be obtained over a long period of time.

In the present invention of claim 3, the gel composition has a weight ratio of polyhydric alcohol to water of 1: 0.05 to 1:20, and is natural with respect to 100 parts by weight of the total amount of polyhydric alcohol and water. It is the gel composition which has a stretching property that polysaccharide contains 0.01 weight part-10 weight part.
In this invention of Claim 3, since the weight ratio of polyhydric alcohol and water was set to 1: 0.05-1: 20, the gel composition with strong tensile strength and rich elasticity can be obtained. This is because the gel composition cannot be stretched outside the range of 1: 0.05 to 1:20. Since the natural polysaccharide is 0.01 parts by weight to 10 parts by weight with respect to 100 parts by weight of the total amount of polyhydric alcohol and water, a gel composition having appropriate elasticity can be obtained. This is because at 0.01 parts by weight or less, gelation does not occur, and at 10 parts by weight or more, it does not dissolve in a mixture of polyhydric alcohol and water.

The present invention of claim 4 is a gel composition having stretchability, wherein the natural polysaccharide is a microorganism-produced polysaccharide.
In the present invention of claim 4, since a natural polysaccharide, which is a polysaccharide produced by microorganisms, is used, it can be easily obtained by culturing microorganisms, can be easily produced, and is a natural product, such as a monomer or a polymerization agent. Because it does not contain, safety is also high.

The present invention according to claim 5 is a gel composition having elasticity, wherein uronic acid is glucuronic acid and deoxy sugar is rhamnose.
In the present invention of claim 5, since uronic acid is glucuronic acid and deoxy sugar is rhamnose, it is easily dissolved in a mixture of polyhydric alcohol and water, and glucuronic acid and rhamnose with respect to polyhydric alcohol and water. Therefore, it is judged that it is easy to carry out a crosslinking reaction, Therefore The gel composition rich in elasticity and elasticity can be obtained.

The present invention of claim 6 is a gel composition having stretchability, wherein the natural polysaccharide is a natural polysaccharide comprising at least glucose, fucose, glucuronic acid, and rhamnose as constituent monosaccharides.
In the present invention of claim 6, since the natural polysaccharide is a natural polysaccharide comprising at least glucose, fucose, glucuronic acid, and rhamnose as a constituent monosaccharide, it is dissolved in a mixture of polyhydric alcohol and water as in the case of claim 5. It is easy, and since it is judged that the polymer of natural polysaccharide is easy to carry out a crosslinking reaction with respect to polyhydric alcohol and water, the gel composition which was rich in elasticity and elasticity can be obtained.

The present invention according to claim 7 is a gel composition having stretchability, wherein the natural polysaccharide is a polysaccharide produced by a Bacterium alkaline genus B-16 strain.
The present invention of claim 7 has a structure in which a polysaccharide produced by a Bacterium alkaline genus Lasus strain B-16 has a structure in which one fucose is branched to one glucose in the main chain of a repeating structure composed of glucose, glucuronic acid, and rhamnose. Therefore, it is determined that the polymer crosslinks with the polyhydric alcohol and water, and a gel composition rich in elasticity and elasticity can be obtained. In addition, even if the polysaccharide produced by Bacterium Algenes rutus B-16 strain contains a low molecular weight polysaccharide in the high molecular weight polysaccharide, the effect as a gel composition is not hindered, so the low molecular weight polysaccharide is not removed. Polysaccharides produced by B-16 strain bacteria can be used, and a gel composition having excellent stretchability can be obtained, which is more preferable.

In the present invention of claim 8, the polyhydric alcohol is glycerin, diglycerin, triglycerin, 1,3-butylene glycol, ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, sorbitol, or pentylene glycol. It is a gel composition having elasticity selected from the inside.
In the present invention of claim 8, since the polyhydric alcohol is used, the polymer of the natural polysaccharide can be strongly cross-linked in cooperation with the water molecule, and the elasticity and tensile strength of the gel composition are increased. can do.

The present invention of claim 9, the gel composition is an elongation of 50% or more at room temperature, and a tensile stress is a gel composition having stretchability is 0.1 kg / cm ² or more.
In the present invention of claim 9, the gel composition has an elongation rate at room temperature of 50% or more, and thus has high stretchability. When used in cosmetics and pharmaceuticals, the gel composition accurately follows the movement of the face and joints. can do. Moreover, since the tensile stress is 0.1 kg / cm ² or more, even if it is used in a sheet form and stretched or pulled, the strength is sufficient and it will not be broken.

The tenth aspect of the present invention is a gel composition having elasticity that has a water retention rate of 50% or more after standing for 24 hours at a relative humidity of 33% and a temperature of 20 ° C.
Since the water retention rate is 50% or more, a moist feeling can be maintained for a long time when it is used directly on the skin as a cosmetic or pharmaceutical, which is preferable.

The present invention according to claim 11 is a method for producing a stretchable gel composition in which a natural polysaccharide containing at least uronic acid and deoxy sugar in a constituent monosaccharide, a polyhydric alcohol, and water are mixed and then the mixture is heated. It is.
In the present invention of claim 11, the elasticity, tensile strength, and elasticity of the gel composition are increased by simple operations by mixing the natural polysaccharide, the polyhydric alcohol, and water and then heating. In addition, a gel composition having high stability for a long time can be obtained.

In the present invention of claim 12, the weight ratio of polyhydric alcohol to water is 1: 0.05 to 1:20, and the natural polysaccharide is 0 with respect to 100 parts by weight of the total amount of polyhydric alcohol and water. It is a manufacturing method of the gel composition which has the elasticity which heats a mixture, after mixing 0.01 weight part-10 weight part.
In this invention of Claim 12, the weight ratio of polyhydric alcohol and water shall be 1: 0.05-1: 20, and natural polysaccharide is 0.01 with respect to 100 weight part of total amounts of polyhydric alcohol and water. By mixing water and polyhydric alcohol in an appropriate ratio, the gel composition rich in stretchability can be produced by heating the mixture, and it can be easily operated by simple operation. In addition, a gel composition having appropriate elasticity can be produced.

The present invention of claim 13 is the method for producing a stretchable gel composition, wherein the natural polysaccharide is a microorganism-produced polysaccharide.
In the present invention of claim 13, since a natural polysaccharide, which is a polysaccharide produced by a microorganism, is used, it can be easily obtained by culturing a microorganism, and it is easy to mix water and a polyhydric alcohol. It is a manufacturing method which can obtain a high gel composition.

The present invention of claim 14 is a method for producing a stretchable gel composition in which uronic acid is glucuronic acid and deoxy sugar is rhamnose.
In the present invention of claim 14, because of the method for producing a gel composition in which the uronic acid is glucuronic acid and the deoxy sugar is rhamnose, the gel composition is easily dissolved in a mixture of polyhydric alcohol and water, and in the polyhydric alcohol and water. On the other hand, since glucuronic acid and rhamnose easily undergo a cross-linking reaction, this is a production method capable of obtaining a gel composition rich in elasticity and elasticity.

The present invention according to claim 15 is a method for producing a stretchable gel composition, wherein the natural polysaccharide is a natural polysaccharide having at least glucose, fucose, glucuronic acid, and rhamnose as constituent monosaccharides.
In the present invention of claim 15, since the natural polysaccharide is a natural polysaccharide comprising at least glucose, fucose, glucuronic acid, and rhamnose as a constituent monosaccharide, it is dissolved in a mixture of polyhydric alcohol and water as in the case of claim 6. It is easy to manufacture, and the polymer can easily undergo a cross-linking reaction with polyhydric alcohol and water. By heating this mixture, a gel composition rich in elasticity and elasticity can be obtained by simple operation. Is the method.

The present invention according to claim 16 is a method for producing a gel composition having stretchability, wherein the natural polysaccharide is a polysaccharide produced by a Bacteria genus Algenes rutus B-16 strain.
Since the present invention of claim 16 uses a polysaccharide produced by a Bacteria genus Algenes rutus B-16 strain, the polysaccharide is contained in one glucose in the main chain of a repeating structure consisting of glucose, glucuronic acid, and rhamnose. a polysaccharide having one fucose branched structure, its molecular weight containing the polymer component of about 10 ^9, the polysaccharide polymer by the polyhydric alcohol and water by crosslinking reaction, stretch It is a manufacturing method which can obtain the gel composition rich in property and elasticity. Moreover, even if the low molecular weight polysaccharide is contained in the high molecular weight polysaccharide, the effect as a gel composition is not hindered, so the B-16 polysaccharide can be used without removing the low molecular weight polysaccharide, Manufacture is also easy and more suitable.

In the present invention of claim 17, the polyhydric alcohol is glycerin, diglycerin, triglycerin, 1,3-butylene glycol, ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, sorbitol, or pentylene glycol. It is the manufacturing method of the gel composition which has the elasticity selected from the inside.
In the present invention of claim 17, since the polyhydric alcohol is used, the polymer of the natural polysaccharide can be strongly cross-linked with the water molecule, and the stretchability and tensile strength of the gel composition are increased. It is a manufacturing method that can be performed.

  In the gel composition of the present invention and the method for producing the same, by using a mixture containing a natural polysaccharide containing at least uronic acid and deoxy sugar as a constituent monosaccharide, a polyhydric alcohol, and water, by a simple operation, A gel composition that can be used as a base material for cosmetics and pharmaceuticals, which is easy to manufacture, has high safety, and has high elasticity is obtained.

Hereinafter, embodiments of the present invention will be described in detail.
The present invention is a stretchable gel composition containing a natural polysaccharide containing at least uronic acid and deoxy sugar as a constituent monosaccharide, a polyhydric alcohol, and water, and a method for producing the same.
A natural polysaccharide (hereinafter referred to as “component (A)”) containing at least uronic acid and deoxy sugar in its constituent monosaccharide used in the stretchable gel of the present invention is uronic acid as a monosaccharide constituting the polysaccharide. And polysaccharides containing deoxy sugars. The uronic acid of the present invention includes glucuronic acid, galacturonic acid, mannuronic acid, iduronic acid, gulonic acid and the like, but glucuronic acid is particularly desirable, and its constituent ratio is 1 to 50 weight ratio with respect to the whole polysaccharide. % (Hereinafter referred to as “% by weight”), preferably 5 to 40%, more preferably 10 to 30%. If it is 1% or less, the hydrophilicity due to the acidic group of uronic acid is weak, and if it is 50% or more, the hydrophilicity due to the acidic group is too strong, and the effect of the present invention cannot be sufficiently obtained.

  The deoxy sugar of the present invention includes fucose, rhamnose, 2-deoxy-ribose, 2-deoxy-hexose, etc., but rhamnose is particularly desirable, and its constituent ratio is 1 to 50% by weight with respect to the whole polysaccharide. And preferably 5 to 40%, more preferably 10 to 30%. If it is 1% or less, there is no effect as a hydrophobic group of deoxy sugar, and if it is 50% or more, the effect as a hydrophobic group is too strong, and the effect of the present invention cannot be sufficiently obtained.

  Specific examples of such natural polysaccharides include the following. Gum arabic whose constituent monosaccharides are plant polysaccharides are galactose, arabinose, rhamnose and gluconic acid. Further, the constituent monosaccharides are tarragant gums of fucose, xylose and glucuronic acid. Furthermore, the constituent monosaccharide is galacturonic acid, rhamnose, galactose, glucuronic acid karaya gum. Furthermore, gellan gum whose constituent monosaccharides, which are microorganism-produced polysaccharides, are glucose, glucuronic acid, and rhamnose. Furthermore, it is a fucogel whose constituent monosaccharides are galactose, galacturonic acid, and fucose. Furthermore, welan gum whose constituent monosaccharides are glucose, glucuronic acid, mannose and rhamnose. Furthermore, the constituent monosaccharide is rhamzan gum, which is glucose, glucuronic acid, mannose, and rhamnose. Furthermore, the constituent monosaccharide is diutane gum (K0C617) which is glucose, glucuronic acid, mannose, and rhamnose.

There are also polysaccharides containing at least fucose, glucose, glucuronic acid, and rhamnose as constituent monosaccharides. The polysaccharide is a polysaccharide having a main chain having a repeating structure composed of glucose, glucuronic acid, and rhamnose as shown in the following chemical formula 1, and having one fucose branched to one glucose in the main chain. .
The polysaccharide is obtained as a microorganism-produced polysaccharide, and can be obtained, for example, as a product of Alkaline Generus B-16 strain bacteria (FERM BP-2015).

  In the case of Alkaligenes Reuterus B-16 strain bacteria, it is produced as follows. Bacterium alkaline genus B-16 strain is cultivated by an ordinary microorganism culture method. For example, monosaccharides such as fructose, glucose and sucrose as a carbon source, natural polymers such as hemicellulose, starch and corn starch, oils such as olive oil and fats, urea, ammonium chloride, ammonium nitrate, ammonium sulfate, etc. as nitrogen sources Using an organic nitrogen source such as inorganic nitrogen source, tryptone, yeast extract, meat extract, peptone, malt extract, etc., and using a medium supplemented with inorganic salts such as potassium phosphate, magnesium sulfate, sodium chloride, Aerated and stirred liquid culture is performed for 3 to 10 days at an initial pH of 4 to 10 and a culture temperature of 15 to 40 ° C. After culturing, an organic solvent such as acetone, ethanol, isopropyl alcohol or the like that is about twice (volume) or more is added to the culture solution, and the culture product is recovered as an insoluble aggregate.

It has been confirmed that at least two types of polysaccharides are contained in the polysaccharides produced by Alkaline Generus B-16 strain bacteria (hereinafter referred to as “B-16 polysaccharides”). It is a polysaccharide having a structure in which one fucose is branched to one glucose in the main chain of a repeating structure composed of glucose, glucuronic acid, and rhamnose as shown in the chemical formula 1, and its molecular weight is as high as about 10 ^9. It is a molecular component [see the abstract of the 1998 Annual Meeting of the Japanese Society for Agricultural Chemistry, page 371]. The other is a polysaccharide having a repeating structure substantially composed of fucose and mannose, and is a low molecular component having a molecular weight of 10 ³ to 10 ⁷ [Y. Nohata, J .; Azuma, R.A. Kurane, Carbohydrate Research 293, (1996) 213-222].

  This B-16 polysaccharide is commercially available as Alcacilan [trademark, INCIname: Alcaligenes Polysaccharides, manufactured by Hakuto Co., Ltd.]. This culture product is composed of at least two kinds of polysaccharides, ie, the above-mentioned high molecular component and low molecular component. Even if the high molecular weight polysaccharide represented by the chemical formula 1 contains a low molecular weight polysaccharide, it is a gel composition. Therefore, the B-16 polysaccharide can be used without removing the low molecular weight polysaccharide, and the production is easy and more preferable.

Examples of the polyhydric alcohol (hereinafter referred to as “component (B)”) used in the production of the stretchable gel of the present invention include saturated or unsaturated, linear or branched polyhydric alcohols having 2 to 30 carbon atoms. Used. Specifically, ethylene glycol, propylene glycol, trimethylene glycol, 1,2-butylene glycol, 1,3-butylene glycol, tetramethylene glycol, 2,3-butylene glycol, pentamethylene glycol, 2-butene-1 , 4-diol, hexylene glycol, octylene glycol and other divalent alcohols, glycerin, trimethylolpropane, trivalent alcohols such as 1,2,6-hexanetriol, tetravalent alcohols such as pentaerythritol, xylitol, etc. Pentahydric alcohol, hexahydric alcohol such as sorbitol, mannitol, diethylene glycol, dipropylene glycol, triethylene glycol, polypropylene glycol, tetraethylene glycol, diglycerin, polyethylene glycol Polyglycerin polymers such as triglycerin, tetraglycerin, polyglycerin, glycerin monoalkyl ethers such as chimyl alcohol, ceralkyl alcohol, batyl alcohol, dextrin, trehalose, sorbitol, maltitol, maltotriose, mannitol, Sugar, erythritol, glucose, fructose, amylolytic sugar, maltose, xylitolose, sugar alcohols such as amylolytic sugar reducing alcohol, guaiacol-α (β) -D-glucoside, kojic acid glucoside, erythorbic acid glucoside, dodecyl glucoside, polyoxy Ethylene methyl glucoside (EO10 or more), α (β) -methyl glucoside, phenylethyl-α (β) -D-glucoside, L-arginine glucoside, L-ascorbic acid-2 Glucoside, guatacol-α (β) -D-glucoside, methyl glucoside monooctyl ester, octyl glucoside, hydroxyphenyl-α (β) -D-glucoside, 4-hydrophenyl-α (β) -glucopyranoside, ethyl glucoside, propyl Glucoside, isopropyl glucoside, alkyl (3-8) glucoside, dl-α (β, γ) -tocopheryl glucoside, methyl glucoside monooctyl ester, catechin-α (β) -glucoside, pyridoxine-4 ′, 5′-α (Β) -diglucoside, pyridoxine-α (β) -maltooligoside, hinokitiol-D-glucoside, hydroquinone-α (β) -D-glucoside, L-ascorbic acid-2-glucoside magnesium, L-ascorbic acid-2- Sodium glucoside, fe Glucosides such as ruethyl-α (β) -D-glucoside, phenylbutan-2-one-glucoside, raspberry ketone glucoside, flavonol glycoside, isoflavone glycoside, salicylsan glycoside, anthocyanin glycoside, coumarin glycoside There are compounds.

Also, adducts of polyhydric alcohols such as ethylene oxide and propylene oxide, such as tripolyoxypropylene glycerin ether, polyoxyethylene (POE) glycerin ether, polyoxypropylene (POP) glycerin ether, POP / POE pentaerythritol ether and the like can be mentioned. These 1 type or 2 types or more can also be used in combination. Among these, glycerin, 1,3-butylene glycol, ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, propylene glycol, and dipropylene glycol are preferable.
The compounding quantity of a polyhydric alcohol is 1-50% of the whole mixture, Preferably it is 2-40%, More preferably, it is 3-50%. By this blending amount, high stretchability and strong elasticity of the composition can be obtained.

  The water used in the stretchable gel of the present invention (hereinafter referred to as “component (C)”) is not particularly limited, and water, distilled water, ion-exchanged water, purified water, hot spring water, deep water, etc. One or more of these are used. The blending ratio of water is more preferably the blending ratio of polyhydric alcohol and water is usually polyhydric alcohol: water = 1: 0.05 to 1:20, preferably 1: 0.1 to 1:10, more preferably 1: 0.5-1: 2. When the blending ratio of the polyhydric alcohol and water is out of this range, the strength of the gel-like material obtained from the component (A), the component (B) and the component (C) is not sufficient, and the effect of the stretchable gel of the present invention is effective. It may not be obtained and is not preferable.

The blending amount of component (A) is 0.01 to 10 parts by weight, preferably 0.05 to 7 parts by weight, more preferably 100 parts by weight of the total amount of component (B) and component (C). Is 0.1 to 5 parts by weight. When the blending amount of the component (A) is less than 0.01 parts by weight of the total amount of the components (B) and (C), the gel having large stretchability of the present invention may not be obtained, and 10 parts by weight. Even if it mixes exceeding this, it may not be possible to obtain a gel with improved stretchability commensurate with the increase in the amount of component (A).
The uniform mixed dispersion of the component (A), the component (B), and the component (C) becomes a stretchable gel when heated. This gel-like substance is unique, and when pulled, it stretches to a length of 1.5 times or more like a rubber, and when released, returns to its original size. In addition, the gel of the present invention has high water retention, the volatilization (evaporation) of the contained water is very slow, and the surface does not dry or harden over time, and a moist feel is maintained.

The heating method is not particularly limited, but it is desirable to heat while keeping the moisture content in the range of 5 to 95 parts by weight. As conditions at this time, the temperature is preferably kept at a high temperature of 40 ° C. to 140 ° C., preferably 80 ° C. to 120 ° C. for 5 minutes or longer, preferably 10 minutes or longer, more preferably 1 hour or longer. The upper limit of the heating time is not particularly limited, but is usually 15 hours or less. Even if the heat treatment is carried out for more than 15 hours, the improvement of the effect is not particularly recognized, but rather the natural polysaccharide fat may be deteriorated.
The heating means is not particularly limited, and examples of typical heating methods include a method of heating in a sealed state, a method of conducting heating in an open system, and a method of heating by spraying steam.
The equipment that can be used for heating in a sealed state is, for example, an autoclave, a (pressure-resistant) groove-type stirring heater, a (pressure-resistant) rotary heater, a (pressure-resistant) disk heater, or a (pressure-resistant) fluidized bed heater (Pressure-resistant) airflow heater, (pressure-resistant) infrared heater, (pressure-resistant) hot air heater, (pressure-resistant) microwave heater, and the like.

  When the component (A), which is the natural polysaccharide of the present invention, is dissolved in the water (C), it is dispersed or dissolved in water to form a viscous solution. At that time, water exists as free water around the molecule of the natural polysaccharide, and the shape of the natural polysaccharide is freely changed. This state is just a thickening liquid. In order to make this a stretchable gel, it is necessary to crosslink the polymers like natural rubber. In the case of the present invention, it is necessary to crosslink between the natural polysaccharide and the natural polysaccharide or in one natural polysaccharide. In general, a cross-linking agent is used to crosslink by a covalent bond by performing a chemical reaction between a part of the natural polysaccharide and the molecule of the part. However, the product that has undergone such a chemical reaction is no longer a pure natural product, and as described in the background art, problems such as skin irritation caused by the residual cross-linking agent arise.

  The present inventor has found a method of cross-linking a part of a natural polysaccharide and a part of the molecule using hydrogen bonds, which are physical actions of polyhydric alcohol and water, which have established safety. . That is, when a uniform dispersion of water containing a specific polysaccharide component containing at least uronic acid and deoxy sugar in its constituent monosaccharide and a polyhydric alcohol component is heated, a part of the polysaccharide and a part of the site Since it is judged that the intermolecular molecules are cross-linked by hydrogen bonds that are much stronger than usual through water and polyhydric alcohol molecules, a method for obtaining a gel composition having high stretchability and high tensile strength has been found and the present invention has been achieved. .

  The specific polysaccharide of the present invention must be a natural polysaccharide containing at least uronic acid and deoxy sugar in its constituent monosaccharides. Uronic acid has a carboxyl group at the 6th position, and is a hydrophilic group that forms a hydrogen bond stronger than the hydroxyl group. On the other hand, the 6th position of deoxy sugar is a methyl group and does not form a hydrogen bond. Therefore, natural polysaccharides containing at least uronic acid and deoxy sugar in the constituent monosaccharides are strongly pulled by water and polyhydric alcohol in the part where the hydrophilic group is biased. On the other hand, since the force which tries to leave | separate from water and a polyhydric alcohol acts in the part in which the hydrophobic group is biased, it is thought that this natural polysaccharide curves centering on the part in which the hydrophilic group is biased. This curvature becomes a spring and provides stretchability to the entire acidic polysaccharide.

  The gel composition having this stretchability can be produced simply by mixing a natural polysaccharide containing at least uronic acid and deoxy sugar with water and polyhydric alcohol. Furthermore, by heating this mixed solution, natural polysaccharides, water and polyhydric alcohols are very easily moved by heat, so that water and polyhydric alcohols are strongly hydrogen-bonded around hydrophilic groups, It is determined that a phenomenon in which the hydrophobic group is biased occurs in a liquid crystal form, and the overall stretchability is further strengthened, whereby the stretchable gel composition of the present invention is formed.

The gel composition of the present invention can be appropriately blended with other components and various additives generally used in cosmetic and pharmaceutical gel bases, as necessary, in addition to the above essential components.
For example, as ingredients blended with normal cosmetics and pharmaceutical gelling agents, there are oily agents, emulsifying / dispersing surfactants, coloring materials such as dyes and pigments, and moisturizers, astringents as appropriate. Agents, whitening agents, UV protection agents, anti-inflammatory (anti-inflammatory) agents, skin (cell) activators, antibacterial agents, antioxidants, perfumes, thickeners such as water-soluble polymers, chelating agents for sequestering agents A pH adjuster or the like is blended within a range that does not impair the effects of the present invention.
Specific examples of the oily agent include coloring materials such as oils and fats that are liquid and solid at room temperature, waxes, ester oils, hydrocarbon agents, dyes and pigments, and silicone oils, lower alcohols, There are sterols.
Liquid oils include linseed oil, camellia oil, macadamia nut oil, corn oil, mink oil, olive oil, avocado oil, sasanqua oil, castor oil, safflower oil, kyounin oil, cinnamon oil, jojoba oil, grape oil, sunflower oil, Almond oil, rapeseed oil, sesame oil, wheat germ oil, rice germ oil, rice bran oil, cottonseed oil, soybean oil, peanut oil, tea seed oil, evening primrose oil, egg yolk oil, cow leg fat, liver oil, triglycerin, glyceryl trioctanoate And glycerin triisopalmitate.

Liquid or solid oils and fats include coconut oil, palm oil, palm kernel oil, etc., and solid oils and fats include cocoa butter, beef tallow, sheep fat, pork tallow, horse fat, hardened oil, hardened castor oil, molasses, shii There are avatars.
Examples of waxes include beeswax, candelilla wax, cotton wax, carnauba wax, bayberry wax, ibota wax, whale wax, montan wax, nuka wax, lanolin, reduced lanolin, hard lanolin, capok wax, sugar cane wax, jojoba wax, shellac wax and the like.

  Ester oils include octanoic esters such as cetyl octanoate, glycerin tri-2-ethylhexanoate, isooctanoic esters such as pentaerythritol tetra-2-ethylhexanoate, lauric esters such as hexyl laurate, myristic Isopalmitic acid esters such as isopropyl acid, octyldodecyl myristate, myristic acid esters such as octyl palmitate, stearic acid esters such as isocetyl stearate, isostearic acid esters such as isopropyl isostearate, octyl isopalmitate Oleic acid esters such as isodecyl oleate, adipic acid diesters such as diisopropyl adipate, sebacic acid diesters such as diethyl sebacate, diisostearyl malate, etc. A.

  Examples of the hydrocarbon oil include liquid paraffin, ozokerite, squalane, squalene, pristane, paraffin, isoparaffin, ceresin, petrolatum, microcrystalline wax and the like. The blending amount of these oil components is 0.1 to 80% (vs. the total amount), preferably 0.5 to 50%.

Silicone oils include dimethylpolysiloxane, ethylmethylpolysiloxane, diethylpolysiloxane, methylhydrogenpolysiloxane, methylphenylpolysiloxane, dimethylsiloxane-methyl (polyoxyethylene) siloxane copolymer, dimethylsiloxane-methyl (polyoxy Polyether-modified organopolysiloxane such as ethylene-polyoxypropylene) siloxane copolymer, dimethylsiloxane-alkoxy (4 to 12 carbon atoms) methylsiloxane copolymer, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, Fluorine-modified organic compounds such as cyclic dimethylpolysiloxanes such as dodecamethylcyclohexasiloxane and fluoromethylsiloxane / dimethylsiloxane copolymers Fluoroalkyl / polyoxyalkylene-modified organopolysiloxanes such as nopolysiloxane, fluoromethylsiloxane / polyoxyethylenemethylsiloxane copolymer and fluoromethylmethylsiloxane / polyoxyethylenepolyoxypropylenemethylsiloxane copolymer, Terminally or side-chain-modified organopolysiloxane such as a modified dimethylpolysiloxane modified product or a hydroxymethylsiloxane / dimethylpolysiloxane copolymer with a hydroxyl group partially introduced into the side chain, dimethylamino having a dialkylaminoalkyl group in the side chain Examples thereof include modified aminoorganopolysiloxanes such as butylmethylsiloxane / dimethylsiloxane polymer.
In order to use these silicone oils in a cosmetic composition, those having a viscosity of 100,000 (mPa · s: 25 ° C.) or less are usually selected and the blending amount is 0.1 to 80%. (Vs. the total amount), preferably 0.5 to 50%.

Examples of the lower alcohol include methanol, ethanol, propanol, isopropanol and the like.
Examples of sterols include cholesterol, sitosterol, phytosterol, and lanosterol.

As the surfactant, there are a nonionic surfactant, an anionic surfactant, a cationic surfactant, and an amphoteric surfactant.
Nonionic surfactants include polyoxyalkylene alkyl ethers, polyoxyalkylene alkyl phenyl ethers, polyoxyalkylene fatty acid esters, polyoxyalkylene sorbitan fatty acid esters, sorbitan fatty acid esters, polyoxyalkylene glycerin fatty acid esters. Glycerin fatty acid esters, polyglycerin fatty acid esters, polyoxyalkylene hydrogenated castor oil, sucrose fatty acid esters, polyoxyalkylene alkylamines, ethylene oxide / propylene oxide block copolymers, and the like.

  The polyoxyalkylene in the nonionic surfactant is polyoxyethylene (hereinafter referred to as “POE”), polyoxypropylene (hereinafter referred to as “POP”), polyoxybutylene (hereinafter referred to as “POB”). The polymerization mole number of POE, POP, and POB is appropriately determined depending on the emulsification characteristics of the target surfactant, and is usually 3 to 200. Further, the polymerization molar ratio of POE, POP, and POB is appropriately determined depending on the emulsification characteristics of the target surfactant. Preferably, the polyoxyalkylene is composed of POE and POP, and POE accounts for 25 mol% or more.

The polyoxyalkylene alkyl ethers having 2 to 4 carbon atoms are obtained by adding a polyalkylene oxide to a linear or branched, saturated or unsaturated alcohol having 8 to 30 carbon atoms. Specifically, POE (3 mol) octyl ether, POE (5 mol) dodecyl ether, POE (10 mol) oleyl ether, POE (15 mol) stearyl ether, POE (20 mol) behenyl ether, POE (10 mol) POP (10 mol) decyl ether, POE (15 mol) POP (2 mol) isosteryl ether, POE (10 mol) cholestanol ether, POE (10 mol) POP (2 mol) hydrogenated lanolins and the like.
Polyoxyalkylene alkylphenyl ethers are those obtained by adding polyalkylene oxide to linear or branched alkylphenols or alkenylphenols having 1 to 22 carbon atoms, specifically polyoxyethylene (3 mol) methylphenyl ether, POE (5 mol) octyl phenyl ether, POE (10 mol) nonyl phenyl ether, POE (15 mol) dodecyl phenyl ether, and the like.

  Polyoxyalkylene fatty acid esters are those in which polyalkylene oxide is added to a linear or branched saturated fatty acid or unsaturated fatty acid having 8 to 22 carbon atoms. Specifically, POE (3 mol) octanoic acid ester, POE (5 mol) Decanoic acid ester, POE (10 mol) dodecanoic acid ester, POE (15 mol) stearic acid ester, POE (20 mol) behenylic acid ester, POE (15 mol) isostearic acid ester, POE (15 mol) POP (5 mol) oleic acid ester and the like.

  Polyoxyethylene sorbitan fatty acid esters are those obtained by adding sorbitol, a linear or branched saturated fatty acid or unsaturated fatty acid having 8 to 22 carbon atoms, and polyalkylene oxide. Specifically, POE (5 mol) sorbitan monoester is used. Laurate, POE (20 mol) sorbitan trilaurate, POE (20 mol) sorbitan monostearate, POE (20 mol) sorbitan sesquistearate, POE (20 mol) sorbitan tristearate, POE (20 mol) sorbitan mono There are oleates.

  Sorbitan fatty acid esters are esters of sorbitol and linear or branched saturated or unsaturated fatty acids having 8 to 22 carbon atoms, specifically sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, Examples include sorbitan monoisostearate, sorbitan monooleate, sorbitan sesquioleate, sorbitan trioleate, diglycerol sorbitan penta-2-erhexylate, diglycerol sorbitan tetra-2-ethylhexylate, and the like.

  Polyoxyethylene glycerin fatty acid esters are addition esters of glycerin and linear or branched saturated or unsaturated fatty acids having 8 to 22 carbon atoms and polyalkylene oxide. Specifically, POE (5 mol) glycerol monolaurate, POE (10 mol) glycerol monostearate, POE (15 mol) glycerol distearate, POE (20 mol) POP (5 mol) glycerol dioleate, etc. There is.

  The glycerin fatty acid esters are esters of glycerin and linear or branched saturated fatty acids or unsaturated fatty acids having 8 to 22 carbon atoms, specifically, monolauric acid glycerin, sesquilauric acid glycerin, trilauric acid glycerin, monostearic acid. Glycerin, glyceryl sesquistearate, glyceryl tristearate, glyceryl monooleate, glyceryl sesquioleate, glyceryl trioleate, mono-cotton oil fatty acid glycerin, glyceryl monoerucate, α, α'-pyroglutamic acid glycerin, carbon number 8 -12 saturated fatty acid mixtures and glycerol esters, stearic acid, malic acid and glycerol esters, and the like.

Examples of polyglycerol fatty acid esters include condensed hydroxy stearic acid polyglycerol ester and condensed ricinoleic acid polyglycerol ester. Polyoxyethylene hydrogenated castor oil includes POE (10 mol) castor oil, POE (15 mol) cured. Castor oil, POE (15 mol) hydrogenated castor oil monoisostearate, POE (20 mol) hydrogenated castor oil triisostearate, POE (20 mol) hydrogenated castor oil monopyroglutamic acid monoisostearate, POE (20 mol) Hardened castor oil maleic acid and the like.
Sucrose fatty acid esters are esters of sucrose and linear or branched saturated or unsaturated fatty acids having 8 to 22 carbon atoms, specifically sucrose behenic acid esters, sucrose stearic acid esters, Examples include sucrose palmitate, sucrose myristate, sucrose laurate, sucrose erucate, sucrose oleate, and the like.

Polyoxyalkylene alkylamines are those in which primary or secondary amines having 3 to 22 carbon atoms and polyalkylene oxide are added. Specifically, POE (5 mol) didodecylamine, diPOE (10) POP. (3) Dodecylamine, POE (10 mol) distearylamine, diPOE (10 mol) stearylamine, diPOE (15 mol) oleylamine, diPOE (17 mol) behenylamine and the like.
The ethylene oxide / propylene oxide copolymers are copolymers obtained by polymerizing ethylene oxide and propylene oxide in a molar ratio of 1: 9 to 9: 1 and a molecular weight of about 500 to 50,000.

  Examples of the anionic surfactant include fatty acid salts, alkyl sulfates and alkenyl sulfates, alkylphenyl sulfates and alkenylphenyl sulfates, alkylphenyl polyoxyalkylene ether sulfates and alkylphenyl polyoxyalkylene ether sulfates ( Di) Alkylsulfosuccinates, N-acylamino acid salts (acyl-N-methyltaurines), alkylbenzenesulfonates, alkylnaphthalenesulfonates, formalin polycondensates of naphthalenesulfonate, and the like. The metal salt is preferably a sodium salt, potassium salt or ammonium salt.

  Fatty acid salts are metal salts of fatty acids having 8 to 30 carbon atoms, linear or branched, and saturated or unsaturated, specifically sodium octylate, sodium decanoate, sodium dodecanoate, sodium tetradecanoate, Examples include sodium stearate, sodium isostearate, sodium oleate, sodium linolenate, and sodium edetate.

  Alkyl sulfates and alkenyl sulfates are linear or branched, and saturated or unsaturated alkyl sulfates and alkenyl sulfates having 8 to 30 carbon atoms, specifically, sodium octyl sulfate, sodium decyl sulfate, Examples include sodium dodecyl sulfate, sodium cocoyl sulfate, sodium stearyl sulfate, potassium isostearyl sulfate, ammonium oleyl sulfate, and ammonium behenyl sulfate.

  Alkylphenyl polyoxyalkylene ether sulfates and alkylphenyl polyoxyalkylene ether sulfates are a phenyl group having 1 to 22 carbon atoms and having a linear or branched alkyl group or alkenyl group and a polyoxygen having 2 to 4 carbon atoms. Sulfuric acid ester salts with adducts of alkylene glycol. Specifically, sodium tosyl POE (3 mol), octylphenyl POE (5 mol) sodium sulfate, nonylphenyl POE (10 mol) potassium sulfate, decylphenyl POE (10 mol) sodium sulfate, octadecylphenyl POE (15 mol) ) Potassium sulfate, octadecenylphenyl POE (15 mol) potassium sulfate, isooctadecylphenyl POE (15 mol) POP (5 mol) potassium sulfate and the like.

Examples of (di) alkylsulfosuccinates include sodium dioctylsulfosuccinate, sodium 2-ethylhexylsulfosuccinate, sodium monolauroylmonoethanolamide polyoxyethylenesulfosuccinate, sodium lauryl polypropylene glycol sulfosuccinate and the like.
N-acyl amino acid salts are acyl-N-methyl taurines, specifically, lauroyl sarcosine sodium, N-myristoyl-N-methyl taurine sodium, coconut oil fatty acid methyl tauride sodium, lauryl methyl tauride sodium, etc. N-acyl glutamates such as higher fatty acid amide sulfonates, monosodium N-lauroyl glutamate, disodium N-stearoyl glutamate, and monosodium N-myristoyl-L-glutamate. Examples of alkyl benzene sulfonates include sodium dodecyl benzene sulfonate, potassium dodecyl benzene sulfonate, and ammonium dodecyl benzene sulfonate. These 1 type or 2 types or more can also be used in combination.

Examples of the cationic surfactant include amino acids, alkylamine salts, quaternary ammonium salts, pyridinium salts and the like.
Examples of amino acids include egg yolk or soybean-derived lecithin, or lecithin derivatives such as hydrogenated lecithin or hydrogenated lecithin obtained by hydrogenation thereof.
Examples of the alkylamine salts include salts of primary or secondary amines having 3 to 22 carbon atoms and carboxylic acids having 1 to 22 carbon atoms, and salts of inorganic mineral acids. Specifically, dodecylamine acetate, dodecylamine hydrochloride Salt, dodecylamine stearate, dimethylamine stearate and the like.
Examples of the quaternary ammonium salts include salts of quaternary amines having 3 to 22 carbon atoms and carboxylic acids or inorganic mineral acids having 1 to 22 carbon atoms, specifically stearyltrimethylammonium chloride, lauryltrimethylammonium chloride, Examples thereof include distearyldimethylammonium chloride, benzalkonium chloride, benzethonium chloride, coconut alkyl bromide (carbon number 10 to 14) isoquinolinium salt, dodecylimidazolium chloride salt and the like.

Examples of pyridinium salts include poly (N, N-dimethyl-3,5-methylenepiperidinium chloride) and cetylpyridinium chloride.
In addition, as the cationic surfactant, an amine oxide such as dodecyldimethylamine oxide, and a cationic polymer such as an acrylic acid β-N-Ndimethyl-N-ethylammonioethyl acid vinylpyrrolidone copolymer can be used.

  Examples of amphoteric surfactants include betaines, phosphobetaines and sulfobetaines, glycine betaines, imidazolium betaines, amine oxides and the like. Specifically, the betaines include dodecyldimethylaminoacetic acid betaine, stearyldimethylacetic acid betaine, dodecanoic acid amidopropyldimethylaminoacetic acid betaine, and the phosphobetaines include 2- (dimethyldodecylammonio) propiophosphate, 2 -(Dimethyldodecylammonio) -2-hydroxypropiophosphate and the like, sulfobetaines include dodecyldimethylethylammonium etosulphate and the like, and glycine-based betaines include dodecyldi (aminoethyl) glycine and imidazolium-based betaine 2-Undecyl-N, N, N- (hydroxyethylcarboxymethyl) -2-imidazoline sodium, 2-cocoyl-2-imidazolinium hydroxide-1-carboxyethyloxy Disodium salt, 2-heptadecyl -N- carboxymethyl -N- hydroxyethyl imidazolinium betaine.

  Among these, sucrose fatty acid ester, glycerin fatty acid ester, polyglycerin fatty acid ester, lecithin and derivatives thereof which are surfactants are preferable, and sucrose stearate ester, sucrose palmitate ester, and sucrose myristin are more preferable. Acid ester, sucrose laurate, sucrose erucate, sucrose oleate, glyceryl monostearate, glyceryl oleate, condensed polyglyceryl ester of stearic acid, condensed ricinoleic acid polyglycerol ester, lecithin, hydrogenated lecithin And lecithin hydroxide, which can be used alone or in combination of two or more thereof.

  As dyes for coloring materials, organic synthetic pigments such as yellow No. 5 and red No. 505, azo dyes such as red No. 213 and red No. 230, xanthene dyes such as yellow No. 204, quinoline dyes such as No. 204, blue No. 1, etc. Triphenylmethene dyes, anthraquinone dyes such as green 201, dyes such as indigo dyes, lake pigments such as red 202 and red 208, red 228, red 226, blue 404, etc. Examples of natural pigments include carotene, calsamine, and cochineal.

Pigments include, for example, lake pigments, organic pigments, colored pigments, white pigments, extender pigments, inorganic pigments, pearlescent pigments, metallic luster pigments, glass flake pigments, metal-coated inorganic pigments, resin pigments, polymer powders, functions And one or more of these are used.
There are two types of lake pigments. One is a pigment in which a water-soluble dye is insolubilized in water as a salt such as calcium. For example, red 202, 204, 206, 207, 208, 220 Etc. The other is a pigment which is made water-insoluble with aluminum sulfate, zirconium sulfate or the like and adsorbed on alumina, such as Yellow No. 5 and Red No. 230.
An organic pigment is a colored powder that does not have a hydrophilic group in the molecular structure and does not dissolve in water, oil, or a solvent, and is excellent in coloring power and light resistance. And azo pigment red 228, indigo pigment red 226, and phthalocyanine pigment blue 404.

Inorganic pigments include iron oxides with different colors such as bengara, yellow iron oxide, black iron oxide, ultramarine, bitumen, chromium oxide, chromium hydroxide, magnesium oxide, cobalt oxide, cobalt titanate carbon black, manganese violet, cobalt violet, etc. Can be given.
White pigments are used for purposes such as coloring and coating, and include titanium dioxide and zinc oxide.
Extender pigments are used for product shape maintenance, extensibility, adhesion, gloss, etc., and color tone adjustment (diluent) rather than coloring. For example, mica, muscovite, synthetic mica, phlogopite, red Mica pigments such as mica, biotite and lithia mica, viscosity minerals such as sericite, talc, kaolin, montmorillonite, zeolite, magnesium carbonate, calcium carbonate, silicic acid, anhydrous silicic acid, aluminum silicate, magnesium silicate, silicic acid Examples thereof include synthetic inorganic powders such as magnesium aluminum silicate, sulfur-containing aluminum silicate, calcium silicate, barium silicate, strontium silicate, aluminum oxide, and barium sulfate.

The pearl luster pigment is a pigment used for imparting pearl luster, iris color, or metallic feeling, and examples thereof include titanium dioxide-coated mica, fish scale foil, and oxychloride chloride. In addition, a pigment coated with iron oxide instead of titanium oxide, a pigment obtained by coating a pigment of a different color on a titanium oxide coating layer, and the like are also used.
Examples of the metallic luster pigment include aluminum powder, brass powder, copper powder, tin powder, gold powder, silver powder, and colored metal powder pigments obtained by coloring these metal powders.
In the glass flake pigment, flake glass is coated with a metal or the like.
The metal-coated inorganic pigment is an inorganic pigment coated with a metal and / or metal oxide by metal vapor deposition or the like, and examples thereof include iron oxide-coated aluminum, iron oxide-coated mica, and aluminum-manganese-coated mica-like iron oxide. It is done.

Resin pigments include thin films that are colored and cut on a resin film, such as polyester film powder, polyethylene terephthalate / aluminum / epoxy laminated film powder, polyethylene terephthalate / polyolefin laminated film powder, polymethyl methacrylate, polyethylene terephthalate. -Polymethyl methacrylate laminated powder, nylon powder, etc. are mentioned.
Examples of the functional pigment include boron nitride, synthetic fluorine phlogopite, photochromic pigment, and composite fine particle powder.
The form of the glitter pigment of the present invention is not particularly limited, and may be appropriately selected depending on the purpose and the pigment to be used, such as granular, plate-like or rod-like. In addition, the size of the pigment is not particularly limited, and may be appropriately selected depending on the purpose and the pigment to be used. If the pigment is granular, the average particle size is usually 0.01 μm to 5000 μm. As long as it is used and is in the form of foil pieces or rods, those having a major axis of 0.1 to 5000 μm are usually used.

  As moisturizers (components), alkaline simple hot spring water, deep layer water, hyaluronic acid, chondroitin sulfate, dermatan sulfate, heparan sulfate, heparin, keratan sulfate and other mucopolysaccharides or their salts, collagen, elastin, keratin and other proteins Or derivatives thereof and salts thereof, phospholipids derived from soybeans and eggs, glycolipids, ceramides, mucins, honey, erythritol, maltose, maltitol, xylitol, xylose, pentaerythritol, fructose, dextrin and derivatives thereof, mannitol, sorbitol Saccharides such as inositol, trehalose, glucose, urea, asparagine, aspartic acid, alanine, arginine, isoleucine, ortinin, glutamine, glycine, glutamic acid and derivatives thereof, and Amino acids such as these salts, cysteine, cystine, citrulline, threonine, serine, tyrosine, tryptophan, theanine, valine, histidine, hydroxylysine, hydroxyproline, pyrrolidone carboxylic acid and salts thereof, proline, phenylalanine, methionine, lysine and the like Or their salts, D-panthenol, plant extracts.

  As plant extracts, avocado extract, almond oil, locust bean extract, rice extract, strawberry extract, fennel extract, euglena extract, olive oil extract, olive oil, licorice extract, cacao butter, oat extract , Kizuta extract, Kumazasa extract, Gardenia extract, Grapefruit extract, Gennoshoco extract, Gentianana extract, Burdock extract, Kobotu extract, Sesame extract, Cactus extract, Soap extract, Ginger extract, Ziou extract, Shea fat, Citrus extract, Senkyu extract, Zeni mushroom extract, Periwinkle extract, Camellia extract, Corn extract, Red pepper extract, Tormentilla extract, Dokudami extract, Bakumondo extract, Guchi bean extract Product, Hamelis extract Mint extract, green pepper extract, mint extract, parsley extract, rose extract, sunflower extract, hinoki extract, loofah extract, prune extract, butcher's bloom extract, borage oil, button extract, Jojoba oil, Bodaige extract, Hop extract, Pine extract, Maronni extract, Macadamia nut oil, Quince extract, Murasaki extract, Meadow home oil, Melissa extract, Cornflower extract, Lily extract, Yuzu extract, Examples include lime extract, lavender extract, gentian extract, bitumen extract, apple extract and the like.

  Yeast metabolites, yeast extract, rice fermented extract, rice bran fermented extract, Euglena extract, lactic acid fermented raw milk and skim milk powder, trehalose or its derivatives, alcohols and polyhydric alcohols such as ethanol, isopyropanol, lauryl alcohol , Cetanol, stearyl alcohol, oleyl alcohol, lanolin alcohol, cholesterol, natural alcohols such as phytosterol, synthetic alcohols such as 2-hexyldecanol, isostearyl alcohol, 2-octyldodecanol. Ethylene oxide, ethylene glycol, diethylene glycol, triethylene glycol, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, polyethylene glycol, propylene oxide, propylene glycol, polypropylene glycol, 1,3-butylene glycol Glycerin, pentaerythritol, sorbitol, mannitol and the like. These moisturizing components are blended by appropriately selecting one or more kinds, and the blending amount varies depending on the type of the moisturizing component and cannot be determined uniformly, but is usually 0.5 to 20%.

  Examples of astringents (components) include zinc sulfocolate, sodium sulfocolate, and plant extracts. Plant extracts include Arnica, Hawthorn, Kina, Salvia, Bodaige, Panax ginseng, Pepper, Mannenrou, Hypericum, Ginkgo, Melissa, Ononis, Maronier, Sembli, Garlic, Chamomile, Siam, Pepper, Nettle, Pepper, Ginger, Hop , Western cypress, lavender, carrot, mustard, kei, pine, nematode, elderberry, porcupine, basin, button, bayberry, dolphin, corn, shigaki, red snapper, ginseng, gentian, grape, flamingo, daidai, citron , Hamelis, Maryroth, Fennel, Salamander, Peonies, Eucalyptus, Artemisia, Enmezo, Rice, Clara, Pepper, Clove, Walnut Leaf, Ogon, Sage, E , Rosemary, hypericum, mint, chamomile, neck bird, yellow ream, jaundice, jaundice, heavy skin, carrots, ginseng, peonies, tomato, propolis, taxia, tannin, hamamelis, buttons, persimmon tar, royal jelly, red-breasted extract Plant extracts such as As an astringent, one or more of these can be used in combination. The amount used is generally 0.001 to 5% by weight, preferably 0.01 to 3% by weight, based on the total amount of the cosmetic composition.

  Whitening agents (components) include tyrosinase inhibitors, endothelin antagonists, α-MSH inhibitors, grabrizine, glabrene, liquiritin, isoliquiritin, ellagic acid and its salts and derivatives, kojic acid and its salts, and its derivatives, arbutin And salts thereof, and derivatives thereof, cysteine and salts thereof, and derivatives thereof, ascorbic acid, sodium ascorbate, ascorbyl stearate, ascorbyl palmitate, ascorbyl dipalmitate, magnesium ascorbate, and the like, and their Examples thereof include salts and derivatives thereof, glutathione and salts thereof and derivatives thereof, resorcin and salts and derivatives thereof, lucinol, neoagarobiose, agarose oligosaccharides and plant extracts. As plant extracts, asparagus extract, Altea extract, Ibukitorano extract, Inchinkou extract, pea extract, Age extract, Ogon extract, Ononis extract, seaweed extract, fire spine extract , Licorice extract, raspberry extract, cucumber extract, brown sugar extract, quette extract, gokahi extract, wheat germ extract, Saishin extract, hawthorn extract, sun penz extract, peonies extract, shirayuri extract , Sempukuka extract, Sowahakuhi extract, Soybean extract, Placenta extract, Taran extract, Tea extract, Toki extract, Molasses extract, Japanese rose extract, Juniper extract, Grape seed extract, Beech extract, Flow demanita extract, Hop extract, Mikaika extract, Mokka extract, Yukinosita extract, Yokuinin extract , Etc. may be mentioned. Swingle extract is formulated by selecting the one or more appropriate. The amount of the whitening agent component is usually 0.01 to 10%. When a plant extract or the like is used as an extract, the amount is in terms of dry solid content.

  There are two types of UV inhibitors (components): organic compound UV absorbers and inorganic compound UV scatterers. The UV absorbers include paraaminobenzoic acid UV absorbers, cinnamic acid UV absorbers, and salicylic acid. Type ultraviolet absorbers, benzophenone type ultraviolet absorbers, and the like. Para-aminobenzoic acid UV absorbers that are UV absorbers include para-amino benzoic acid, glyceryl para-amino benzoate, ethyl dihydropropyl para-amino benzoate, amyl para-dimethyl para-amino benzoate, octyl para-methyl para-amino benzoate, ethyl para-amino benzoate, para-amino There are isobutyl benzoate, etc., and cinnamic acid UV absorbers include isopropyl paramethoxycinnamate, diisopropylcinnamic acid ester, octyl methoxycinnamate, diparamethoxycinnamic acid mono, 2-ethylhexanoic acid Examples of salicylic acid ultraviolet absorbers include homomenthyl salicylate, octyl salicylate, phenyl salicylate, avian salicylate ethanolamine, amyl salicylate, benzyl salicylate, p-tericylate. There are butylphenyl, ethylene glycol salicylate, salicylic acid, etc., and benzophenone UV absorbers include dihydroxybenzophenone, tetrahydroxybenzophenone, oxybenzone, oxybenzonesulfonic acid, sodium hydroxymethoxybenzophenonesulfonate, dihydroxydimethoxybenzophenone, 2-hydroxychlorobenzophenone, Dioxybenzone, sodium dihydroxydimethoxybenzophenone disulfonate, 2-hydroxy-4-methoxy-4′methylbenzophenone, octabenzone, etc., besides urocanic acid, ethyl urocanate, 4-tert-4′-methoxydibenzoylmethane, 2- (2′-hydroxy-5′-methylphenyl) benzotriazole, anthrani Such as acid, and the like. Examples of the inorganic compound used as the ultraviolet scattering agent include titanium oxide, zinc oxide, cerium oxide, zirconium oxide, and iron oxide.

  Anti-inflammatory agents (components) include zinc oxide, sulfur and derivatives thereof, glycyrrhizic acid and derivatives thereof such as glycyrrhizic acid, dipotassium glycyrrhizinate and monoammonium glycyrrhizinate, and salts thereof, β-glycyrrhetinic acid, stearyl glycyrrhetinate, 3 Glycyrrhetinic acid and its derivatives, such as disodium succinyloxyglycyrrhetinate and their salts, tranexamic acid, chondroitin sulfate, mefenamic acid, phenylbutazone, indomethacin, ibuprofen, ketoprofen, allantoin, guaiazulene and their derivatives and their salts, Examples include various microorganisms and animal and plant extracts.

  Usable skin (cell) activators (components) include deoxyribonucleic acid and salts thereof, adenylic acid derivatives such as adenosine triphosphate and adenosine monophosphate and salts thereof, ribonucleic acid and salts thereof, cyclic AMP, Retinals such as cyclic GMP, flavin adenine nucleotides, guanine, adenine, cytosine, thymine, xanthine and their derivatives, caffeine, theopherin and its salts, retinol and retinol palmitate, retinol acetate, retinal such as retinal and dehydroretinal Derivatives, carotenoids such as carotene and vitamin A, thiamine and thiamine hydrochloride, thiamine salts such as thiamine sulfate, riboflavin salts such as riboflavin and riboflavin acetate, pyridoxine and pyrichloride hydrochloride Xylone, pyridoxine salts such as pyridoxine dioctanoate, flavin adenine nucleotides, cyanocobalamin, folic acid, nicotinic acid and nicotinic acid amide, nicotinic acid derivatives such as benzyl nicotinate, vitamins B such as choline, γ-linolenic acid and Derivatives thereof, eicosapentaenoic acid and derivatives thereof, estradiol and derivatives thereof and salts thereof, organic acids such as glycolic acid, succinic acid, lactic acid and salicylic acid and derivatives thereof and salts thereof.

  Antibacterial agents (components) include benzoic acid, sodium benzoate, coalic acid, sorbic acid, potassium sorbate, paraoxybenzoic acid ester, parachlorometacresol, hexachlorophene, benzalkonium chloride, chlorhexidine chloride, trichlorocarbanilide, Photosensitive element, bis (2-pyridylthio-1-oxide) zinc, phenoxyethanol and thianthol, isopropylmethylphenol and the like can be mentioned.

  Antioxidants (components) include retinol, dehydroretinol, retinol acetate, retinol palmitate, retinal, retinoic acid, vitamin A oils such as vitamin A oil and their derivatives and salts thereof, α-carotene, β-carotene , Gamma-carotene, cryptoxanthin, astaxanthin, fucoxanthin and other carotenoids and derivatives thereof, pyridoxine, pyridoxal, pyridoxal-5-phosphate ester, vitamin Bs such as pyridoxamine, derivatives and salts thereof, ascorbic acid, Vitamin C such as sodium ascorbate, ascorbyl stearate, ascorbyl palmitate, ascorbyl dipalmitate, magnesium ascorbate phosphate, derivatives and salts thereof, ergocalcif Vitamin Ds such as roll, cholecalciferol, 1,2,5-dihydroxy-cholecalciferol, derivatives and salts thereof, α-tocopherol, β-tocopherol, γ-tocopherol, δ-tocopherol, α-tocotrienol , Β-tocotrienol, γ-tocotrienol, δ-tocotrienol, tocopherol acetate, tocopherol acetate, their derivatives and their salts, Trolox, their derivatives and their salts, dihydroxytoluene, butylhydroxytoluene, Butylhydroxyanisole, dibutylhydroxytoluene, α-lipoic acid, dehydrolipoic acid, glutathione, derivatives thereof and salts thereof, erythorbic acid such as uric acid, erythorbic acid, sodium erythorbate, Conductors and salts thereof, gallic acid such as gallic acid and propyl gallate, derivatives and salts thereof, rutin such as rutin and α-glycosyl-rutin, derivatives and salts thereof, tryptophan, derivatives and salts thereof Histidine, its derivatives and salts thereof, cysteine derivatives such as N-acetylcysteine, N-acetylhomocysteine, N-octanoylcysteine, N-acetylcysteine methyl ester and their salts, N, N′-diacetylcystine dimethyl Cystine derivatives such as esters, N, N′-dioctanoylcystine dimethyl ester, N, N′-dioctanoyl homocystine dimethyl ester and salts thereof, carnosine and derivatives thereof and salts thereof, homocarnosine and derivatives thereof and the like Salt of the anseri And derivatives thereof and salts thereof, calcinin and derivatives thereof and salts thereof, dipeptide or tripeptide derivatives containing histidine and / or tryptophan and / or histamine and salts thereof, flavanone, flavone, anthocyanin, anthocyanidin, flavonol, quercetin, Flavonoids such as quercitrin, myricetin, fisetin, hamelitannin, catechin, epicatechin, gallocatechin, epigallocatechin, epicatechin gallate, epigallocatechin gallate, tannic acid, caffeic acid, ferulic acid, protocatechuic acid, chalcone, oryzanol, Carnosol, sesamol, sesamin, sesamolin, gingerone, curcumin, tetrahydrocurcumin, clobamide, deoxyclobamide, gingerol, potassium Saicin, vanillylamide, ellagic acid, bromophenol, flavoglasin, melanoidin, riboflavin, riboflavin butyrate, flavin mononucleotide, flavin adenine nucleotide, ubiquinone, ubiquinol, mannitol, bilirubin, cholesterol, ebselen, selenomethionine, ceruloplasmin, transferrin, lactoferrin , Albumin, bilirubin, superoxide dismutase, catalase, glutathione peroxidase, metallothionein, O-phosphono-pyridoxylidene rhodamine, and N- (2-hydroxybenzyl) amino acid described in US Pat. No. 5,594,012, its derivatives and Their salts, and N- (4-pyridoxylmethylene) amino acids, and their derivatives and their salts The content of the antioxidant component varies depending on the type of the antioxidant component and cannot be determined uniformly, but is usually 0.01 to 10%. When a plant extract or the like is used as an extract, the amount is in terms of dry solid content.

  As a fragrance (component), there are natural fragrances and synthetic fragrances, and typical examples of natural fragrances are rose oil, jasmine oil, neroli oil, lavender oil, tuberose oil, ylang ylang oil, clari sage oil, clove oil, peppermint oil, Geranium oil, patchouli oil, sandalwood oil, cinnamon oil, coriander oil, nutmeg oil, pine oil, vanilla oil, peruvian balm oil, banana oil, apple oil, fennel oil, tonka beans oil, pepper oil, lemon oil, orange oil , Vegetable flavors such as bergamot oil, opoponax oil, vetiver oil, oris oil, oak moss oil, anise oil and bored rose oil, and animal flavors such as musk oil, civet oil, castrium oil and ambergris oil.

  Typical examples of synthetic fragrances are hydrocarbons such as limonene and β-caryophyllin, cis-3-hexenol, linalool, farnesol, β-phenylethyl alcohol, geraniol, citronellol, terpineol, menthol, santalol, bacudanol, bramanol, etc. Aldehydes such as alcohols, rilanol, lyial, 2,6-nonadienal, citral, α-hexylcinnamic aldehyde, β-ionone, l-carvone, cyclopentadecanone, damascone, methylionone, Iron, iso-Esuper, Ketones such as acetyl cedrene and muscone, esters such as benzyl acetate, methyl dihydrojasmonate, methyl jasmonate, linalyl acetate and benzyl benzoate, γ-undecala Lactones such as kuton, jasmine lactone, cyclopentadecanolide, ethylene brushate, oxides such as galac solid, ambroxan and rose oxide, phenols such as eugenol, nitrogen-containing compounds such as indole, phenylacetaldehyde dimethyl acetal, etc. Acetals, and Schiff bases such as auranthiol. In general, a single fragrance is rarely used alone, and is used as a blended fragrance combining a plurality of types according to the purpose.

  Thickeners for water-soluble polymers include plant polymers such as tragacanth gum, galactan, carob gum, guar gum, xanthan gum, caraya gum, carrageenan, pectin, agar, quince seed (malmello), alge colloid (brown algae extract), and dextran. , Microbial polymers such as succinoglucan, sclerotium gum, pullulan, animal polymers such as collagen, casein, albumin, gelatin, methylcellulose, nitrocellulose, ethylcellulose, methylhydroxypropylcellulose, hydroxyethylcellulose, sodium cellulose sulfate Cellulose polymers such as hydroxypropylcellulose, sodium carboxymethylcellulose, crystalline cellulose, cellulose powder, sodium alginate, propylene alginate Acrylic polymers such as alginic acid polymers such as polyglycol esters, polyvinyl alcohol, polyvinyl methyl ether, polyvinyl pyrrolidone, polyoxyethylene polymers, polyoxyethylene polyoxypropylene copolymer polymers, polyethyl acrylate, polyacrylamide, etc. Inorganic water-soluble polymers such as molecules, polyethyleneimine, cationic polymers, bentonite, aluminum magnesium silicate, laponite, hectorite, and silicic anhydride.

Examples of the sequestering agent include sodium edetate, sodium polyphosphate, sodium metaphosphate, phosphoric acid and the like.
Examples of the pH adjuster include lactic acid, citric acid, glycolic acid, succinic acid, tartaric acid, dl-malic acid, potassium carbonate, sodium hydrogen carbonate, ammonium hydrogen carbonate and the like.

  The processing such as molding of the stretchable gel composition of the present invention can produce a stretchable gel in a desired form of sheet, film, crushed, and fluid by selecting a method. For example, film-like and sheet-like forms can be obtained by casting on a plate and heating, and a crushed form can be obtained by heating with vigorous mixing and stirring with an organic solvent immiscible with water.

  The stretchable gel of the present invention can be applied in various fields such as medical materials, quasi drugs, cosmetics, and pharmaceuticals. In particular, therapeutic pads, pressure ulcer preventive agents, heat insulating materials, cold insulating materials, wound protective agents, pack agents, patches, sustained drug release agents and the like. The cosmetics can be used for one-point cosmetics, various cosmetic creams, emulsions, lotions, serums, packs, under-makeups, foundations, jellies, and ointments. Moreover, according to an application site | part, the shape can be selected from a sheet form, a film form, a crushed form, or a fluid form.

Hereinafter, the present invention will be described in detail with reference to examples, but the present invention is not limited thereto.
A-1 of the polysaccharide used in the test is a polysaccharide (crude product) produced by Alkaline Generus B-16 strain bacteria.
The production method was as follows: glucose [made by Wako Pure Chemical Industries, Ltd., reagent] 40.0 g, dipotassium hydrogen phosphate [made by Wako Pure Chemical Industries, Ltd., reagent] 4.0 g, potassium dihydrogen phosphate [Japanese Kogyo Pharmaceutical Co., Ltd., reagent] 2.0 g, sodium chloride [Wako Pure Chemical Industries, Ltd., reagent] 0.1 g, magnesium sulfate [Wako Pure Chemical Industries, Ltd., reagent] 0.2 g, Potassium nitrate [Wako Pure Chemical Industries, Ltd., reagent] 1.0g, yeast extract [Oxoid (OXOID) company] 1.5g was melt | dissolved in ion-exchange water, and it adjusted to pH6.5 using sodium hydroxide or sulfuric acid. The total amount was adjusted to 1 liter. Take 150 mL of this aqueous solution in a 500 mL Erlenmeyer flask, heat sterilize by autoclave (121 ° C., 15 minutes), return to room temperature, and inoculate one platinum ear of Alkali Genestus B-16 strain (FERM BP-2015), The culture was shaken at 180 ° C. for 6 days (180 rpm).
After completion of the culture, about 3 times the volume of isopropyl alcohol was added to the culture, and the mixture was stirred and mixed. The precipitated aggregate was filtered, collected, and dried under reduced pressure to produce a polysaccharide (A -1) was obtained.
This polysaccharide is mainly composed of a polysaccharide composed of fucose, glucose, glucuronic acid, and rhamnose in a molar ratio of 1: 2: 1: 1, and other polysaccharides composed of fucose and mannose in a molar ratio of 1: 1. It contains saccharides, and the abundance ratio is about 7: 1 (weight ratio). The constituent monosaccharides were analyzed by high performance liquid chromatography (HPLC) after hydrolyzing the polysaccharide with sulfuric acid.

  A-2 of the polysaccharide used in the test is a purified product of the above A-1, a 0.5 part by weight aqueous solution of the polysaccharide A-1 was prepared, and the pH was adjusted to 12 with an aqueous sodium hydroxide solution. This aqueous solution was treated with a column of an ion exchange resin “Diaion HPA-75 (OH-) (trade name)” (manufactured by Nippon Rensui Co., Ltd.) at 8 Ru or less, and further a filter aid “Radiolite RL700”. And 5 μm membrane filter to remove proteins, nucleic acids and microorganisms. The filtrate was adjusted to pH 7 with dilute hydrochloric acid and concentrated under reduced pressure. Acetone was added to precipitate the polysaccharide, which was further washed with 10 times the amount of acetone, fucose: glucose: glucuronic acid: rhamnose = 1: 2: 1. A polysaccharide (A-2) having an average molecular weight of 50 million or more was obtained.

A-3 of the polysaccharide used in the test is a trademark Alkathylan, which is a polysaccharide produced by the bacteria of Alcaligenes latus B-16 strain ("Alcathelan" (trade name), manufactured by Hakuto Co., Ltd.).
In addition, A-4 to A-8 of the polysaccharide used in the test are as follows.
A-4: Welan gum (CP-Kelco)
A-5: Ramzan gum (CP-Kelco)
A-6: Diyutan gum (K0C617) (CP-Kelco)
A-7: Gellan gum (CP-Kelco)
A-8: Gum arabic (Kanto Chemical Co., Ltd., reagent)

The polyhydric alcohols B-1 to B-11 used in the test are as follows.
B-1: Diglycerin (manufactured by Kanto Chemical Co., Inc., reagent)
-B-2: Glycerin [manufactured by Kanto Chemical Co., Ltd., reagent]
B-3: Pentylene glycol (manufactured by Kanto Chemical Co., Inc., reagent)
B-4: Sorbitol (Kanto Chemical Co., Ltd., reagent)
B-5: 1,3-butylene glycol (Kanto Chemical Co., Ltd., reagent)
-B-6: Ethylene glycol (manufactured by Kanto Chemical Co., Inc., reagent)
-B-7: Diethylene glycol [manufactured by Kanto Chemical Co., Ltd., reagent]
B-8: Triethylene glycol [manufactured by Kanto Chemical Co., Ltd., reagent]
B-9: Triglycerin (manufactured by Kanto Chemical Co., Inc., reagent)
B-10: Propylene glycol (Kanto Chemical Co., Ltd., reagent)
-B-11: Dipropylene glycol (manufactured by Kanto Chemical Co., Inc., reagent)

C-1 to C2 of water used for the test are as follows.
-C-1: Purified water-C-2: Ion exchange water.

The polysaccharides and high molecular polymers D-1 to D5 used in the test are as follows.
D-1: (used in comparative examples) xanthan gum [manufactured by Sanki Co., Ltd., “Kelzan T” (trade name)]
D-2: (used in comparative examples) curdlan [manufactured by Kanto Chemical Co., Ltd., reagent]
D-3: (used in comparative examples) polyacrylic acid ["Carbopol 980" (trade name), manufactured by Nikko Chemicals Co., Ltd.]
D-4: (used in comparative examples) carboxymethyl cellulose (manufactured by Daicel Chemical Industries, Ltd.)
D-5: (used in comparative examples) polyvinylpyrrolidone [“PVP K30” (trademark), manufactured by ISB Japan Co., Ltd.].

"Differential thermal analysis of gel"
Sample 1 is prepared by adding 0.6 g of polysaccharide (A-3) to 99.4 g of water (C-1) and then dissolving the mixture with a homogenizer at 8000 rpm for 10 minutes. Sample 2 is obtained by dissolving 40 g of polyhydric alcohol (B-4) in 60 g of water (C-1). After adding 0.3 g of polysaccharide (A-3) to 40 g of polyhydric alcohol (B-4) dissolved in 59.7 g of water (C-1), it was dissolved in a homogenizer at 8000 rpm for 10 minutes. Thereafter, the sample was heated at 80 ° C. for 10 minutes and cooled at room temperature to obtain Sample 3. Next, the state of water in the samples 1, 2, and 3 was shown by differential thermal analysis (DTA) described later.

  The results of differential thermal analysis of Sample 1, Sample 2, and Sample 3 are shown in FIG. 1, FIG. 2, and FIG. As shown in the graph of FIG. 1, it can be seen that the water of Sample 1 is almost evaporated before reaching 80 ° C., and there is almost no hydrogen bond between the water and the natural polysaccharide. In addition, as shown in the graph of FIG. 2, the water of sample 2 is somewhat difficult to evaporate, but is still almost evaporated before reaching 80 ° C., and the water and polyhydric alcohol are almost hydrogen-bonded. It turns out that there is no.

  In Sample 3, which is a gel prepared by the method of the present invention, four distinct large peaks appeared between 110 and 140 ° C. as shown in FIG. These peaks appearing at 100 ° C. or higher are considered to be strongly bonded to water and bonded with strong hydrogen bonds, and it was confirmed that there are at least four types of bonding. The gel of the present invention is judged to be bonded to water and a polyhydric alcohol by a strong hydrogen bond. As for the water which is difficult to evaporate bound by this hydrogen bond, the cosmetics containing the gel of the present invention can maintain a water retention effect and a smooth feeling of use for a long time.

The method of differential thermal analysis was measured using a differential type differential thermal balance Thermo plus TG8120, and the results are shown by the DTA curves in FIGS.
Measurement conditions are as follows: Sample amount: around 40 mg in a standard sample; Al ₂ O ₃ and aluminum sample pan, heated from 40 ° C. to 65 ° C. at 5 ° C./min in a nitrogen atmosphere, and then held for 5 minutes During this period, the temperature of the sample slowly reached about 80 ° C., and then the temperature was raised from about 80 ° C. to 180 ° C. at a rate of temperature increase of 8 ° C./min.

"Gel sheet tensile test 1-Elongation rate (%) evaluation 1"
After adding 0.3 g of polysaccharide (A-1) to 40 g of polyhydric alcohol (B-1) and stirring, water (C-2) is added so that the total weight becomes 100 g, and stirring is further performed. A polysaccharide (A-1) aqueous solution was obtained, and 13 ml thereof was poured into a glass petri dish having a diameter of 90 mm. Put this in a hot air dryer set at 105 ° C for 15 minutes, in an 80 ° C hot air dryer for 2 hours, in a 60 ° C hot air dryer for 6 hours, in a 45 ° C hot air dryer for 15 hours, Four types of gel sheets were produced. The produced gel sheet was taken out from the petri dish and evaluated for flexibility. After the gel sheet was sheared to 10 mm × 60 mm to form a strip, the 20 mm from both ends was sandwiched between two non-woven fabric slide glasses, and a tensile tester [“STROGRAPH M-50” (trade name), ( And manufactured by Toyo Seiki Seisakusho Co., Ltd.], and the length at which the gel sheet stretches and breaks at a speed of 50 mm / min was measured. The longer the fracture length, the greater the flexibility, and the evaluation was based on the elongation (%) expressed by the following formula. The larger the elongation, the better.
Elongation rate (%) = [(length to break−10) / 10] × 100

  Similarly, combination of polysaccharide (A-1) and polyhydric alcohol (B-2) to polyhydric alcohol (B-11), polysaccharide (D-2) and polyhydric alcohol (B-1) to polyhydric alcohol A gel sheet was prepared using the combination (B-11), and the elongation was measured. The results are shown in Table 1.

  It was found that all the gel sheet extensibility of the present invention exceeded 100%. On the other hand, in curdlan which is the conventional polysaccharide of the comparative example, it can be seen that the ductility is 20% or less. As a result, the gel sheet of the present invention can also be applied to sites where the expansion and contraction is severe, such as joint sites.

"Gel sheet tensile test 2-Evaluation of tensile stress"
Next, a gel sheet of Example 3 of the present invention was prepared, and tensile stress was measured.
The gel sheet was prepared as follows.
After adding 0.3 g of polysaccharide (A-1) to 40 g of polyhydric alcohol (B-1) and stirring, water (C-2) is added so that the total weight becomes 100 g, and stirring is further performed. A polysaccharide (A-1) aqueous solution was obtained, and 13 mL of the solution was poured into a glass petri dish having a diameter of 90 mm. The gel sheet was produced by leaving it still in a heater for 10 hours. Similarly, a gel sheet was prepared from the polysaccharide (A-1) and the polyhydric alcohol (B-2) to polyhydric alcohol (B-3).

The tensile load was measured as follows.
As a sample for a tensile test, a sheet prepared with the gel of the present invention was punched in accordance with JISK6301 dumbbell No. 2, and the width of the parallel part was 10 mm, the length of the parallel part was 20 mm, and the thickness of the parallel part was 2 mm. . Using a tensile tester (Strograph M-50: manufactured by Toyo Seiki Seisakusho Co., Ltd.), this sample was pulled under the conditions of a tensile speed of 50 mm / min, a temperature of 18 ° C., and a relative humidity of 68%, until the sample broke. The tensile load was measured.
The tensile stress was determined by the following formula.
Tensile stress (kg / cm ² ) = tensile load / cross-sectional area The results are shown in Table 2.

It can be seen that the gel sheet obtained by the method of the present invention exhibits high tensile stress.

"Gel sheet tensile test 3-Elongation rate (%) evaluation 2"
After adding 0.3 g of polysaccharide (A-2) to 30 g of polyhydric alcohol (B-2) and stirring, water (C-2) was added so that the total weight would be 100 g, and stirring was further performed. A polysaccharide (A-2) aqueous solution was obtained. This was poured into a glass petri dish having a diameter of 90 mm and heated in an autoclave set at 110 ° C. for 10 minutes to prepare a gel sheet. The flexibility of the obtained gel sheet was evaluated in the same manner as in the examples. Similarly, gel sheets were prepared with the compositions of polysaccharides, synthetic polymers or semi-synthetic polymers and polyhydric alcohols shown in Table 3, and their flexibility was evaluated.
The results are shown in Table 3.

  It was found that all the ductility factors of the gel sheets of the present invention exceeded 100%. On the other hand, it can be seen that all of the ductility ratios in the comparative examples can be obtained with an elongation of 15% or less. Therefore, the gel sheet of the present invention can also be applied to a part where the expansion and contraction is severe such as a joint part.

"Evaluation of water retention of gel sheet"
After adding 0.3 g of polysaccharide (A-2) to 30 g of polyhydric alcohol (B-2) and stirring, water (C-2) was added so that the total weight would be 100 g, and stirring was further performed. A polysaccharide (A-2) aqueous solution was obtained. This was poured into a glass petri dish having a diameter of 90 mm and heated in an autoclave set at 110 ° C. for 10 minutes to prepare a gel sheet. After making the obtained gel sheet into a square sheet having a side of 20 mm and a thickness of 5 mm, a saturated magnesium chloride solution was added, and it was placed in a desiccator adjusted to a relative humidity of 33% and a temperature of 20 ° C., and after 12 hours and 24 hours, After 48 hours, the change in weight and the state of surface softness were examined by touching with a finger. Similarly, various gel sheets were prepared by blending polysaccharides and polyhydric alcohols described in Table 4. Moreover, the water retention rate (%) was calculated | required from the following formula from the change of the weight of a gel sheet.
Water retention rate (%) = 100 − ((ab) × 10 ⁴ / ((100−c) × a))
a: Weight of initial gel sheet (g)
b: Gel sheet weight after a predetermined time (g)
c: “Polysaccharide + Polyhydric alcohol” concentration (%)

  The gel of the present invention has a low relative humidity and maintains high moisture retention for a long time even in a dry state, and does not become hard even when the surface is dried. Therefore, when a cosmetic pack, a cosmetic, a patch and the like are prepared using the gel of the present invention, the softness and the moisturizing property are maintained for a long time, so that a pack having a high moisturizing effect and a patch which is difficult to peel off can be produced. .

"Sensory evaluation of cosmetics 1-cosmetics for hair"
(Adjustment of hair cosmetics)
The Example which used this invention for the cosmetics for hair is demonstrated. Cosmetics for hair were prepared with the following composition and evaluated for smoothness, moistness, combing property, moisture retention and the like. The results are shown in Table 5.
The preparation of the cosmetic for hair is described in No. 1 below. 1 to 5 are mixed to obtain a mixture 1; The substances shown in 6 to 11 were mixed to obtain a mixture 2. Each was heated to 75 ° C., cooled to 40 ° C. or lower, and the mixture 1 was gradually added while stirring the mixture 2 with a stirrer having a four-blade propeller-type stirring blade to prepare an emulsion. Then, it stirred and obtained the cosmetics for hair of an Example.
(No) (Raw material name) (Part by weight)
1. Stearyltrimethylammonium chloride 1.0
2. Cetanol 3.0
3. Methyl polysiloxane 1.0
4). Polyoxyethylene stearyl ether 1.0
5. Propylene glycol (B-10) 5.0
6). B-16 polysaccharide (A-3) 0.1
7). Methylparaben 0.1
8). Potassium chloride 0.3
9. Citric acid 0.2
10. Perfume proper amount11. Purified water (C-1)

In the hair cosmetic composition of Example 6 as the hair cosmetic composition of the comparative example, 6: B-16 polysaccharide (A-1) was replaced with purified water, and prepared in a similar manner to obtain a hair cosmetic composition of Comparative Example. As for the effects, sensory evaluation was performed in comparison with comparative examples.

(sensory evaluation)
The sensory test of the smoothness and moistness of the hair cosmetics of the examples was performed as follows.
According to the half head method, 15 subjects washed their hair with a commercially available hair shampoo (ordinary alkyl sulfate ester shampoo), and then dried it thoroughly with a dryer, and then divided the hair into left and right halves. After applying 5 g each of the hair and conventional hair cosmetics and heating and drying them with a dryer, the “smoothness” and “moistness” of the hair were evaluated as follows.
-Evaluation of “smoothness” ○: The number of subjects who felt smoothness was 10 or more out of 15 subjects.
X: The number of subjects who felt smoothness was 9 or less out of 15 subjects.
・ Evaluation of “moist” ○: The number of subjects who felt moist was 10 or more out of 15 subjects.
X: The number of subjects who felt moist was 9 or less out of 15.

In addition, as an evaluation of combing property, a hair cosmetic (2 g) was applied to a hair strand (4 g), rinsed with warm water, dried for 1 hour, and then evaluated for ease of combing as follows.
○: No catch ×: There is a catch

Furthermore, as an evaluation of component retention, a hair cosmetic (2 g) was applied to the hair strand (4 g), and W1 which was the weight of the hair strand immediately after (water content + cosmetic) was measured. Furthermore, after air-drying for 1 minute with a 80 degreeC warm air dryer, W2 which is the weight (water content + cosmetics) of the hair strand was measured. Furthermore, it hold | maintained in the humidity chamber of 40% of humidity, and measured W3 which is the weight (water content + cosmetics) of the hair strand after 3 hours. The change rate of the water content for 3 hours was determined by the following equation. The higher the active ingredient retention rate (%), the higher the yield of the active ingredient in the cosmetic for hair. Moreover, the lower the moisture content change rate (%), the higher the moisture retention (moisturizing property) by the active ingredient of the cosmetic for hair, which is preferable. All items were evaluated as “◯: good” and “×: bad” on the basis of 50%.
The results are shown in Table 5.

In addition, the change rate of the active ingredient retention rate and moisture content was calculated by the following formula.
Active ingredient retention (%) = (W1-W2) × 100 / W1
Change rate of moisture content (%) = (W2−W3) × 100 / W2
here,
W1: Weight of hair immediately after hair cosmetic application (g)
W2: Weight of hair after drying with hot air dryer (g)
W3: Hair weight (g) after holding at 40% humidity for 3 hours

  As shown in Table 5, the cosmetic for hair of the present invention was evaluated as imparting smoothness and moistness to hair, improving combing, and having high active ingredients and moisture retention.

"Sensory evaluation of cosmetics 2-Peel-off type pack cosmetics"
(Adjustment of peel-off type pack cosmetics)
The Example which used this invention for the peel-off type pack cosmetics is described.
No. described below. In the mixed liquid of raw materials 1, 2, 3, 5 No. 6 was added to make a mixture 1, and no. The raw materials of 4, 7, 8, and 9 were mixed to obtain a mixture 2. After each was heated to 75 ° C., while maintaining this temperature, the mixture 2 was gradually added while stirring the mixture 1 with a stirrer having a four-blade propeller-type stirring blade. The peel-off type pack cosmetic of the example was prepared.
(No) (Raw material name) (Part by weight)
1. Polyvinyl alcohol 5.0
2. Ethanol 4.0
3. Diglycerin (B-1) 15.0
4). Polyoxyethylene (20E.O.) sorbitan monolaurate
1.0
5. Propylene glycol (B-10) 5.0
6). B-16 polysaccharide (A-3) 0.6
7). Methylparaben 0.1
8). Perfume appropriate amount 9. Purified water (C-1)

Furthermore, in the peel-off type pack cosmetics of Examples, 6: The B-16 polysaccharide (A-3) was replaced with D-1 xanthan gum (2.0%) and prepared in a similar manner to obtain a peel-off type pack cosmetic of a comparative example.
About the usability | use_condition and effect of the said Example, sensory evaluation was performed in the comparison with a comparative example.
(sensory evaluation)
For sensory evaluation, each sample of Example and Comparative Example was used blindly by 15 female panelists aged 20 to 50 years, and moist feeling during use, film formation, irritation, ease of peeling, and after use It was moist, refreshing and stimulating. The results are shown in Table 6 as average values of the scores of 30 people.

The criteria for evaluating Saparisa are as follows.
○: Ten or more subjects out of 15 felt refreshed.
×: The number of subjects who felt refreshed was 9 or less out of 15 subjects.
・ Evaluation criteria for “film formation” are as follows.
○: Ten or more subjects out of 15 felt that a film was formed.
X: The number of subjects who felt that film formation was not so great was 9 or less out of 15 subjects.
・ The criteria for evaluation of “irritant” are as follows.
○: 10 or more subjects out of 15 felt that there was no irritation.
X: The number of subjects who felt that there was a stimulus was 9 or less out of 15.
・ Evaluation criteria for “easy to peel” are as follows.
○: 10 or more subjects out of 15 felt that it was easy to peel off.
X: The number of subjects who felt that it was difficult to peel was 9 or less out of 15.

  As shown in Table 6, each example obtained better evaluation than the comparative example in terms of film formation, ease of peeling, and refreshing feeling after use. About the irritation | stimulation feeling, the Example obtained comparable evaluation compared with the comparative example. As described above, according to the present invention, it is possible to provide a pack cosmetic that has a high affinity for the skin, is excellent in moisture retention, and has a refreshing feeling without being sticky. Moreover, in this pack cosmetic, there was no irritation at the time of use and after use, the film could be easily peeled off, and it was excellent in safety and usability.

"Adjustment and evaluation of medical patches"
(Adjustment of medical patch)
The Example which used this invention for the medical patch is demonstrated.
The medical patch of Example was prepared as follows. After adding 0.6 g of polysaccharide (A-3) to 40 g of glycerin (B-2) and stirring, water (C-2) is added so that the total weight becomes 100 g, and stirring is further performed to form a polymer. An aqueous solution was obtained. Two layers of stretchable gauze are laid on a glass petri dish with a diameter of 90 mm, and then 20 ml of an aqueous polymer solution is allowed to flow. Next, after heating for 10 minutes in an autoclave set at 110 ° C., the gel sheet was taken out of the petri dish to obtain the medical patch of the example.
As a comparative example, a medical patch was prepared as follows.
The polysaccharide (A-3) used in the preparation of the medical patch of the example was replaced with 2.0 g of polyacrylic acid (D-3) and prepared in the same manner, and the medical patch of the comparative example Got.

(Evaluation of medical patches)
Each medical patch obtained as described above is cut into a size of 7 cm × 2.5 cm square so that the long side is in the stretch direction of the gauze. Next, this patch is applied from the upper right arm of the subject to the forearm so that the joint is at the center.
After pasting, fix both ends with tape. After carrying out daily life for 24 hours after application, each patch was removed and the skin surface after removal was visually determined to examine skin irritation and feeling of application during application.
The results are shown in Table 7.

As shown in Table 7, it can be seen that the medical patch of the present invention has excellent followability to the movement of the skin surface to be applied, has little skin irritation, and has a good patch feeling. The application site prepared with the stretchable gel of the present invention follows the stretching motion of the skin surface, and can reduce physical skin irritation and feeling of tension. Moreover, since there is no irritation | stimulation with respect to skin, it can be used also as a wound dressing.

“Sensory evaluation of cosmetics 3-Cosmetics containing microcapsule oil dispersion”
(Preparation of microcapsule oil dispersion)
Examples in which the present invention is used for a microcapsule oil dispersion (hereinafter referred to as “microcapsules”) will be described.
Microcapsules were prepared as follows.
(No.) (Composition component) (Parts by weight)
1. Glycerin 40.0%
2. Polysaccharide (A-3) 0.60%
3. Methyl paraoxybenzoate 0.10%
4). 1,3-butylene glycol 5.00%
5. Purified water remaining

Ingredient No. After mixing 1 to 5, 10 ml of the product dissolved with a homogenizer at 8000 rpm for 10 minutes is gradually added to 90 ml of a decamethylcyclopentasiloxane solution heated to 70 ° C. while stirring with a small homomixer. After the total amount was added, the microcapsules of Examples were obtained by maintaining at 95 ° C. for 15 minutes.
As a microcapsule of a comparative example, the polysaccharide (A-3) was replaced with 1.0% of curdlan (D-2) in the microcapsule of the example, and the microcapsule of the comparative example was prepared by the same method. Obtained.

"Preparation and evaluation of cream containing microcapsules"
The Example which used this invention for the microcapsule containing cream is described.
The following microcapsule-containing cream was prepared as follows.
(No.) (Composition component) (Parts by weight)
1. Lanolin 7.00
2. Dimethylpolysiloxane 5.00
3. Dimethylpolysiloxane 2.00
4). Beeswax 3.0
5. Vaseline 5.0
6). Squalane 34.0
7). Hexadecyl adipate 10.0
8). Propylene glycol 5.0
9. Glycerol monooleate 3.5
10. POE (20) sorbitan monooleate 1.0
11. Microcapsules (of example) 5.0
12 Purified water 22.5
Preservative appropriate amount
Perfume

Ingredient No. 1 to 7 were mixed and dissolved by heating to 70 ° C. with stirring to obtain a mixture 1. Similarly, the formulation component No. 8-10 and no. 12 was dissolved by heating to obtain a mixture 2. The mixture 2 was added while stirring the mixture 1 at 5,000 rpm with a homomixer to prepare an emulsion. Furthermore, while stirring and cooling with a propeller type stirrer, 11 was dispersed and cooled to room temperature to obtain the microcapsule-containing cream of the example.
The microcapsule-containing cream of the comparative example was prepared by replacing the microcapsules of the examples with the microcapsules of the comparative examples in the microcapsule-containing creams of the examples. Obtained.

The microcapsule-containing cream obtained as described above was evaluated by a panel.
A total of 10 panelists, 2 from each age group from the 10s to the 50s, were selected, and each person put a cream containing a suitable amount of microcapsules on the back of both hands to create a “stickiness” and “smoothness” Sensory evaluation was performed immediately after preparation and after 12 weeks.
The cream containing the microcapsules of the examples was evaluated as having a soft and smooth feel with less stickiness, and more than 8 out of 10 both immediately after preparation and after 12 weeks. Maintained.

  Immediately after preparation, the microcapsule-containing cream of the comparative example was evaluated that 8 or more out of 10 were less sticky and had a refreshing feel, and 5 to 7 out of 10 were evaluated as having a smooth feel. However, after 12 weeks, 4 or less of 10 people evaluated that there was little stickiness and a refreshing feel, and 4 or less of 10 people evaluated that there was a smooth feel. Therefore, the microcapsule-containing cream of the present invention has little stickiness and maintains a refreshing and smooth feel for a long time.

"Preparation and evaluation of lipstick containing microcapsules"
The Example which used this invention for the microcapsule containing lipstick containing a hydrophilic component is described.
A hydrophilic component blend of Example and a microcapsule-containing lipstick were prepared as follows.
(No.) (Compounding ingredients) (Parts by weight)
1. Titanium dioxide 5
2. Red No. 201 0.6
3. Red No. 202 1
4). Red 223 0.2
5. Candelilla Row 9
6). Solid paraffin 8
7). Beeswax 5
8). Carnavalou 5
9. Lanolin 11
10. Castor oil 5.2
11.2 Cetyl ethylhexanoate 20
12 Isopropyl myristate 10
13. Microcapsules containing ascorbic acid magnesium phosphate 20
14 Antioxidant appropriate amount 15. Perfume

  Ascorbic acid magnesium phosphate-added microcapsules were prepared by adding 6.00% of ascorbic acid magnesium phosphate to the microcapsules of Examples (Formulation component No. 13). Ingredient No. 1-4 are blended component no. It added to the mixture of 9-12, was stirred and dissolved with the lightnin mixer, and was set as the mixture 3. No. 5 to 8 were melted in separate containers and added to the mixture 3 with stirring. Under vacuum and stirring, the formulation component No. 13-15 was added to the mixture 3, and the microcapsule containing Example lipstick was obtained.

  Ordinary lipsticks cannot be formulated with water-soluble humectants such as ascorbic acid derivatives. If the microcapsule of the present invention is used, such a drug can be stably blended into the lipstick, so that a lipstick having wrinkle improvement and moisturizing effect can be obtained.

"Preparation and evaluation of blusher containing microcapsules"
The Example which used this invention for the blusher containing a microcapsule is described.
A blusher containing microcapsules of Examples was prepared as follows.
(No.) (Composition component) (Parts by weight)
1. Kaolin 20
2. Titanium dioxide 4.2
3. Iron oxide (red) 0.3
4). Red No. 202 0.5
5. Ceresin 15
6). Vitamin E acetate 1
7). Liquid paraffin 15
8). Isopropyl myristate 5
9. Microcapsule 20 (of the example)
10. Antioxidant appropriate amount 11. Perfume

Ingredient No. 1-6 and 8 are No. No. 7 after being uniformly dispersed. 9 to 11 were mixed to obtain blusher containing microcapsules of Examples.
As a comparative example, the microcapsule-containing blusher was prepared in the same manner as in the microcapsule-containing blusher of the example, except that the microcapsule of the example was replaced with the microcapsule of the comparative example.

  In order to confirm the effect of the microcapsule-containing blusher of the example, the presence or absence of discoloration after storage at 50 ° C. for 1 month was observed with the naked eye for comparison with the microcapsule-containing blusher of the comparative example. As a result, the microcapsule-containing blusher of the example did not change color, but the microcapsule-containing blusher of the comparative example showed discoloration. This is probably because vitamin E was decomposed by metal ions contained in the inorganic pigment. Since the microcapsule-containing blusher of the present invention moves toward the microcapsule in which the metal ions are hydrophilic and is encapsulated, no discoloration is observed, so that a stable blusher can be obtained.

"Preparation and evaluation of scrub face wash containing microcapsules"
Examples in which the present invention is used for scrub face wash will be described.
The scrub face wash of the examples was prepared as follows.
(No.) (Composition component) (Parts by weight)
1. Stearic acid 12
2. Myristic acid 14
3. Lauric acid 5
4). Squalane 3
5. Sorbit (70% sorbitol aqueous solution) 15
6). Glycerin 10
7). 1,3-butylene glycol 10
8). Potassium hydroxide 5
9. Ion exchange water 15
10. POE (20) glycerol monostearate
2
11. Acylmethyl taurine 4
12 Microcapsules (of example) 5

Ingredient No. 1 to 7 were dissolved by heating to obtain a mixture 4 and maintained at 70 ° C. Ingredient No. 8 and 9 were added to the mixture 4 with stirring, and after sufficiently neutralizing, the blending component No. 5 was further added at 50 ° C. 10 and 11 were added. Ingredient No. 12 was further mixed, degassed, filtered and cooled to obtain a scrub face wash of the example.
The scrub face wash of the comparative example was prepared in the same manner as the scrub face wash of the example except that the micro capsules of the example were replaced with the micro capsules of the comparative example to obtain a scrub face wash of the comparative example.

In order to show the effect of the present invention, scrub face wash obtained as described above was evaluated by a panel.
A total of 10 panelists, 2 from each age group from the 10s to the 50s, were selected, and each was washed with an appropriate amount of scrub facial cleanser, and then “foaming”, “smoothness”, and facial cleansing. The sensory evaluation of “feeling of tension” and “feeling of refreshing” was performed later. The scrub face wash of the examples was evaluated by 8 or more of 10 people as having good foaming and a smooth feel when washing their face. After washing the face, more than 8 out of 10 were evaluated as having no sense of tension and being refreshed.

The scrub face wash of Comparative Example was evaluated by 5 to 7 people out of 10 as having good foaming during face washing, but 4 or less of 10 people evaluated that there was a smooth feel. After washing the face, 5 to 7 out of 10 were evaluated as having no sense of tension and being refreshed.
The scrub face wash of the present invention is particularly smooth.

4 is a graph showing the results of differential thermal analysis of Sample 1. 6 is a graph showing the results of differential thermal analysis of Sample 2. 6 is a graph showing the results of differential thermal analysis of Sample 3.

Claims (17)

  A gel composition having elasticity, comprising a natural polysaccharide containing at least uronic acid and deoxy sugar as a constituent monosaccharide, a polyhydric alcohol, and water.   A gel composition having elasticity that is obtained by heating a mixture containing a natural polysaccharide containing at least uronic acid and deoxy sugar as a constituent monosaccharide, a polyhydric alcohol, and water.   In the gel composition, the weight ratio of the polyhydric alcohol to the water is 1: 0.05 to 1:20, and the natural polyhydric alcohol is mixed with the natural polyhydride with respect to 100 parts by weight of the total amount of the polyhydric alcohol and the water. The stretchable gel composition according to claim 1 or 2, wherein the saccharide contains 0.01 to 10 parts by weight.   The stretchable gel composition according to any one of claims 1 to 3, wherein the natural polysaccharide is a microorganism-produced polysaccharide.   The stretchable gel composition according to any one of claims 1 to 4, wherein the uronic acid is glucuronic acid and the deoxy sugar is rhamnose.   The gel composition having stretchability according to any one of claims 1 to 5, wherein the natural polysaccharide is an acidic polysaccharide having at least glucose, fucose, glucuronic acid, and rhamnose as constituent monosaccharides.   The gel composition having stretchability according to any one of claims 1 to 6, wherein the natural polysaccharide is a polysaccharide produced by a bacterium of Alkagenes lerus B-16 strain.   The above polyhydric alcohol is selected from glycerin, diglycerin, triglycerin, 1,3-butylene glycol, ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, sorbitol, and pentylene glycol. A gel composition having elasticity according to any one of claims 1 to 7. The gel composition having stretchability according to any one of claims 1 to 8, wherein the gel composition has an elongation at room temperature of 50% or more and a tensile stress of 0.1 kg / cm ² or more. object.   The gel composition according to any one of claims 1 to 9, wherein the gel composition has a water retention rate of 50% or more after standing at a relative humidity of 33% and a temperature of 20 ° C for 24 hours.   A method for producing a stretchable gel composition in which a natural polysaccharide containing at least uronic acid and deoxy sugar in a constituent monosaccharide, a polyhydric alcohol, and water are mixed and then the mixture is heated.   The weight ratio of the polyhydric alcohol and the water is 1: 0.05 to 1:20, and the natural polysaccharide is 0.01 weight with respect to 100 parts by weight of the total amount of the polyhydric alcohol and the water. The method for producing a stretchable gel composition according to claim 11, wherein the mixture is heated after mixing 10 parts by weight to 10 parts by weight.   The method for producing a stretchable gel composition according to claim 11 or 12, wherein the natural polysaccharide is a microorganism-produced polysaccharide.   The method for producing a stretchable gel composition according to any one of claims 11 to 13, wherein the uronic acid is glucuronic acid and the deoxy sugar is rhamnose.   The method for producing a stretchable gel composition according to any one of claims 11 to 14, wherein the natural polysaccharide is an acidic polysaccharide having at least glucose, fucose, glucuronic acid, and rhamnose as constituent monosaccharides.   The method for producing a stretchable gel composition according to any one of claims 11 to 15, wherein the natural polysaccharide is a polysaccharide produced by an alkaline genus lathus B-16 strain bacterium. The polyhydric alcohol is selected from glycerin, diglycerin, triglycerin, 1,3-butylene glycol, ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, sorbitol, and pentylene glycol. A method for producing a stretchable gel composition according to any one of claims 11 to 16.