JPH04346909A - Gel-like cosmetic containing oily substance and method for manufacturing same - Google Patents

Abstract

PURPOSE: To obtain a transparent or semi-transparent gel-like cosmetic containing colored oil granules, having a highly beautiful appearance, and capable of containing a large amount of an oil without using a solubilizing agent or a hydrophilic surfactant. CONSTITUTION: A transparent or translucent gel-like cosmetic containing 0.5-30wt.% of colored oil granules having particle diameters of 0.1-5.0mm is obtained by dispersing a semisolid oily substance mixture comprising a liquid phase oily substance, a solid phase oily substance and/or a surface-modified pigment in a water-soluble thickener solution with stirring, and a method for producing the cosmetic.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transparent or translucent gel cosmetic containing colored oil particles. More specifically, the present invention involves dispersing an oil component in a water-soluble polymer solution and stirring to form spherical particles with a particle size of 0.1 to 5.0 mm.
．． The present invention relates to a transparent gel-like cosmetic containing the present invention in an amount of 5 to 30% by weight, and a method for producing the same.

0002

[Prior Art] Gel-like cosmetics generally include gel-like skin lotions, astringents, massage creams, nutritional creams, mask packs, etc., and these products are transparent or semi-transparent to take advantage of their gel-like characteristics. Manufactured transparent. Products and manufacturing methods for transparent gel-like cosmetics include, for example, Maison G and DeNa.
vare, “The Chemistry and
Manufacture of Cosmetic
s”, 2nd ed., Continental Pr.
ess, U. S. A. , Vol. 3. Chap. 34(
Jell Cosmetics) and Vol.
4, Chap. 65 (Clear Gel Cos
(1975).

[0003] In order to give external characteristics to such gel-like products, pearls such as guanine pearls, higher fatty acid pearls, or mica titanium-based synthetic pearls may be dispersed to create products that give a pearl effect. be. and,
Recently, a method has been used in which a container is first filled with a transparent gel-like product and then refilled with an oily substance or the like in a fixed form using special filling equipment. However, when pearls are mixed into a transparent gel-like product, the pearl effect can be reduced in terms of appearance, but there is a disadvantage that oil-based substances cannot be used in most cases.

[0004] When trying to incorporate oily ingredients into transparent cosmetics, the amount of oily ingredients used is extremely limited and only a small amount can be used. Since solubilization must be carried out, the use of a hydrophilic surfactant as a solubilizer becomes unavoidable. However, there is a problem in that the use of such hydrophilic surfactants in cosmetics often causes skin irritation.

[0005] In addition, when filling transparent gel-like cosmetics with oily ingredients etc. in a fixed form using a special filling device,
Although it has the advantage of being able to mix a considerable amount of oil-based ingredients and create a product with a unique appearance, it is necessary to first fill a container with gel-like cosmetics and then re-add the oil-based ingredients separately. Since the filling operation must be carried out twice in the production process, the productivity is significantly reduced.In addition, the oil-based ingredients that are filled in the second filling are gel-like and cannot be mixed, resulting in a fixed shape. The viscosity of the gel must be high enough to maintain its fluidity. In general, in gel-like cosmetics, a considerable amount of water-soluble thickener must be used to increase the viscosity to the point where the cosmetics have no fluidity. The feel of the agent remains, which tends to make the product feel worse when used.

[0006] Another method is to encapsulate and disperse the oil component in a transparent gel-like product, but this method also has the problem that the film used for encapsulation remains during the use of the cosmetic. , its usability deteriorates.

[0007]

[Problems to be Solved by the Invention] As a result of research to solve this problem, the present inventors have determined that the oily component can be made into ointment-like or solid spherical particles with a constant size of 0.1 to 5.0 mm. By containing it in a transparent gel form, it has a unique appearance whether it is a fluid lotion type or a non-oily cream type, and it uses a solubilizer (hydrophilic surfactant). The present invention was completed based on the discovery that it is possible to create a cosmetic containing a considerable amount of oily ingredients in a transparent gel-like product without the need for any additional oil-based ingredients.

[0008]

[Means for solving the problem] To explain this in more detail, an appropriate oil is selected from among the oils that can be used in cosmetics, and an oily component with a high melting point is added thereto to raise the melting point of the mixture to 30 to 60. ℃ and present in ointment or solid form at normal cosmetic storage temperatures. After heating the oily mixed substance above the melting point, the temperature is 0 to 20°C below the melting point of the oily substance.
An oily substance is gradually added to a viscous aqueous solution heated to a high temperature, stirred, crushed to have a particle size of about 0.1 to 5.0 mm, and cooled to form spherical oily particles. Among the oily particles produced in this way, particles having a particle size range to be used are selected and dispersed in a transparent or translucent gel solution at a ratio of 0.5 to 30% by weight. The desired cosmetics are manufactured using the following steps.

In particular, when turning an oily substance into spherical particles, the hue of the spherical particles can be changed to red, yellow, blue, white, etc. by mixing lipophilic treated pearls or pigments with the oily substance. A variety of hues can be created, and by combining appropriate amounts of these hues, a more unique appearance can be achieved. In addition, by granulating oily ingredients in the form of an ointment and dispersing them in a water-soluble gel form, the present invention can remove oily substances that easily decompose in aqueous solutions, such as ascorbyl fatty acid ester, which is used as a raw material for skin whitening. When used in general oil products, the surface area that can come into contact with water can be reduced compared to when used in general oil products, so it also has the advantage of stably containing substances that are unstable in aqueous solutions. The particle size of the oil particles to be dispersed can be adjusted to about 0.1 to 5.0 mm by appropriately adjusting the oil particle manufacturing method, that is, the stirring speed and the viscosity of the aqueous solution, or about 0.5 to 2 mm. A particle size of about .0 mm was suitable for the appearance of the final product.

More specifically, the method for producing cosmetics according to the present invention will be described by selecting oil components that can be used in cosmetics, such as animal oils, food oils, mineral oils, and synthetic oils, depending on the intended use of the final product. After selecting the appropriate oil etc.
Add fat-soluble vitamins, oily food extracts, lipophilic surfactants, fatty acid metal soaps, etc. as necessary, and add high melting point substances such as higher fatty acids, higher fatty alcohols, paraffin, animal and vegetable waxes, and glycerin fatty acid esters. A solid oil is added and the melting point of the mixture is adjusted to 30-60°C so that it exists in the form of an ointment at room temperature. At this time, the composition of the oil-based substance is adjusted so that it is not hard, smooth, and has a soft touch at the usage temperature, taking into consideration the feeling of use in the final product. By combining components with relatively good usability, the sweating of oil components with low melting points in oily spherical particles can be achieved.
) The phenomenon must be prevented from appearing. The oily component selected in this way is heated to a temperature higher than the melting point, e.g.
Mix and heat to 5°C.

Separately, 0.01 to 2.0% of carboxyvinyl polymer, methyl cellulose, carboxymethyl cellulose, hydroxyethyl cellulose, sodium alginate, xanthan gum, locust bean gum (l
After producing a viscous aqueous solution using a water-soluble thickener such as occus bean gum), this is
Heat to 0-90°C. The heated oil component is gradually added to a viscous aqueous solution and stirred to form oil particles of a desired size. At this time, the particle size decreases proportionally as the stirring speed increases. However, if the stirring speed is too low, the particles may not become particles and may become lumpy, so it is important to adjust the stirring speed so that the particles do not become too small and do not become lumpy. Furthermore, since the manner of stirring differs depending on the type of stirrer, the selection of the stirrer is also important. According to the inventor's experiments, the best results were obtained by using a paddle type stirrer. In an aqueous solution of a water-soluble thickener, the type and amount of the thickener is a factor that determines particle formation and particle size, and in order to obtain particles of a desired size and relatively uniform particle size, It is necessary to adjust the amount used depending on the type of thickener.

[0012] When oil particles of a desired size are formed by the above method, they are cooled while stirring is continued. After the particles produced in this manner are screened to select particles within the size range to be used, they are washed with purified water to form oily particles. After separately manufacturing gel cosmetics,
The resulting oily particles are incorporated into a gel-like cosmetic in an amount of about 0.5 to 30% by weight to form a final product.

[0013]

[Examples] The present invention will be specifically explained below based on Examples.

Example 1: Preparation of oily particles (1)
Prescription (parts by weight)
A
B C 1.
Cetostearyl alcohol 15.0
20.0 25.0 2. Stearic acid 5.0
- - 3.
Glycerin monostearate 30.0 3
0.0 25.0 4. silicone oil
1.0
0.5-5. Olive oil 3.
0 3.0 3.0 6.
tocopherol acetate
- 0.1 0.2
7. titanium dioxide
-0.2 0.
5 8. Preservative
appropriate amount appropriate amount
Appropriate amount 9. fragrance
Appropriate amount
Appropriate amount Appropriate amount 10. Aluminum stearate −
0.2 0.5 11. Liquid paraffin vs. 100
vs. 100 vs. 100 "Manufacturing method" Raw material 10 was dispersed in raw material 11 and heated to 100°C or higher to dissolve raw material 10, then raw materials 1 to 9 were added and the final temperature was brought to 65°C. Separately, prepare a carboxyvinyl polymer 0.1% solution or methyl cellulose 0.3 times the amount of the above oily component.
% solution and heated it to 70℃ to obtain a thickener aqueous solution.
heated to. The heated oily component is added to the aqueous thickener solution, stirred gently using a battle type stirrer to reduce the particle size to about 1-2 mm, continued stirring, and cooled to 20°C. After cooling, the generated particles were sieved using a sieve, and particles within a certain size range were collected and washed with purified water to produce white particles.

Example 2: Preparation of oily particles (2)
Prescription (parts by weight)
A
B C 1.
Stearyl alcohol 10.0 1
5.0 20.0 2. beeswax
20.0
15.0 10.0 3. Candelilla wax 10.0 10.0
10.0 4. Squalane
15.0 15.0
15.0 5. Isopropyl myristate 5.0 5.0 5.
0 6. ascorbyl stearate
2.0 1.0 1.0
7. Aluminum oxide cobalt 0.1
0.2 0.5 8. Glyceryl monooleate 20.0 20.
0 20.0 9. Preservative
Appropriate amount
Appropriate amount Appropriate amount 10. fragrance
Appropriate amount
Appropriate amount Appropriate amount 11
．． caprylic caprylic triglyceride
100: 100: 100 "Production method" The above oily raw material was heated to 70°C. Separately, a 0.3% aqueous solution of carboxymethyl cellulose, hydroxyethyl cellulose, or sodium alginate was prepared in an amount three times the amount of the above oily component, and this was heated to 70° C. to obtain an aqueous thickener solution. The oily component was added to the viscous aqueous solution, stirred, turned into particles, and cooled. Particles with a particle size of 0.5 to 1.0 mm were screened and washed with water to obtain blue particles.

Example 3: Preparation of oily particles (3)
Prescription (parts by weight)
A
B C 1.
Cetyl alcohol 15.
0 20.0 25.0 2.
candelilla wax 5.0
− −
3. Glycerin monostearate 15.0
10.0 5.0 4. Japan wax 10.0
10.0 10.0 5. Tocopherol acetate 0.2
0.2 0.2 6. Squalane 20.0
20.0 20.0 7. Oil-soluble rosemary extract 1.0
1.0 1.0 8. Yellow iron oxide 0.5
0.2-9.
ferric oxide
-0.3 0.5
10. Preservative
appropriate amount appropriate amount
Appropriate amount 11. fragrance
Appropriate amount
Appropriate amount Appropriate amount 12. castor oil
vs. 100
vs. 100 vs. 100 "Production method" The above oily raw material was heated to 75°C. Separately, prepare a 0.2% aqueous solution of xanthan gum or locust bean gum and heat it at 75°C.
heated to. Thereafter, the manufacturing method followed the manufacturing method of Example 1.

Example 4. Manufacture of skin lotion

Prescription (parts by weight)
A
B C 1
．． glycerin
1.0 2.0 4.0
2. placenta extract
0.1 0.5 1.0
3. panthenol
0.2 0.1 -
4. Allantoin
0.1 0.1 0.1
5. rosemary extract
0.1 0.2 0.5
6. Carboxyvinyl polymer 0.1
3 0.15 0.18 7.
Hydroxyethyl cellulose 0.05
- - 8. Ethyl alcohol 8.0
10.0 15.0 9. Methyl parahydroxy benzoate
0.1 0.1
0.1 10. Mixture of oil particles obtained in Examples 1 to 3
2.0 4.0 6.
0 11. triethanolamine
0.13 0.15 0.18
12. purified water
100: 100: 100 "Production method" After dispersing raw materials 6 and 7 in raw material 12, raw materials 1 to 5 and raw material 11 were added to form an aqueous solution part. Separately, raw material 9 was dissolved in raw material 8 to obtain an alcohol part. A gel-like skin lotion is produced by mixing the above-mentioned alcohol part with an aqueous solution part, and raw material 10, which is a mixture of oily particles produced in Examples 1 to 3 in an appropriate ratio, is added to the gel-like skin lotion. A gel-like skin lotion containing particles was produced.

Example 5. Essence manufacturing
Prescription (
parts by weight)
A
B C 1.
Glycerin 15.0
20.0 25.0 2. Placenta extract 5.0
2.0 1.0 3. Thaimus extract 3.0
2.0 1.0 4. Hyalonic acid extract 5.0
10.0 15.0 5. Green tea extract 1.0
1.0 1.0 6. Carboxyvinyl polymer 0.15 0.18
0.22 7. Carboxymethyl cellulose 0.05 -
-8. Ethyl alcohol
5.0 8.0
5.0 9. Methyl parahydroxy
benzoate
0.1 0.1 0
．． 1 10. Mixture of oil particles obtained in Examples 1 to 3
2.0 5.0 10.0
11. triethanolamine
0.15 0.18 0.22 1
2. purified water
100: 100: 100 "Manufacturing method" Raw materials 6 and 7 were dispersed in raw material 12, and then raw materials 1 to 5 and raw material 11 were added to form an aqueous solution part. Separately, raw material 9 was dissolved in raw material 8 to obtain an alcohol part. The above alcohol part is added to the aqueous solution part to produce a gel-like essence, and the raw material 10 prepared by mixing the oil particles produced in Examples 1 to 3 in an appropriate ratio is added to the above gel-like essence to form spherical oil particles. A gel-like essence containing the following was produced.

Example 6. Cream manufacturing method
Prescription (parts by weight)
A
B C 1.
glycerin 5
．． 0 8.0 10.0 2.
Wicke Hagel (Witch)
hazel) extract 3.0
2.0 0.5 3. Hydrogenated Elastin
2.0 1.0
0.5 4. Gold extract
1.0 1.0 1.0
5. carrot extract
1.0 1.0 1
．． 0 6. carboxyvinyl polymer
0.5 0.45 0.4
7. xanthan gum
−0.05 0.1
8. Methyl parahydroxy
Benzoate 0
．． 15 0.15 0.15 9.
Mixture of oil particles obtained in Examples 1 to 3
1.0 2.0 5.
0 10. triethanolamine
0.5 0.45 0.4
11. purified water
vs. 100 vs. 100 vs. 100 "Manufacturing method" After dispersing raw materials 6 and 7 in raw material 11, raw materials 1 to 5 and raw material 8 are added and mixed, and neutralized with raw material 10 to make a gel-like cream. Ta. Raw material 9, which was a mixture of the oily particles produced in Examples 1 to 3 in an appropriate ratio, was added to the gel-like cream to produce a gel-like cream containing oily particles.

[0020]

[Effect of the invention] The transparent or translucent gel cosmetic containing colored oil particles of the present invention has a very beautiful appearance,
It is possible to contain large amounts of oil without using solubilizers or hydrophilic surfactants.

Claims (7)

[Claims] Claim 1: Particle size 0 obtained by dispersing a semi-solid oily substance mixture consisting of a liquid phase oily substance, a solid phase oily substance and/or a surface-modified pigment in a water-soluble thickener solution and stirring the mixture. ．．
0.5-30% by weight of colored oil particles of 1-5.0mm
A transparent or translucent gel cosmetic comprising: [Claim 2] The oily substance in the liquid phase is an animal oil, a vegetable oil,
The transparent or translucent gel according to claim 1, which is one or a mixture of two or more selected from mineral oil, synthetic oil, liquid-phase fat-soluble vitamins, oily plant extracts, and lipophilic surfactants. cosmetics. 3. The solid phase oily substance is one or two selected from higher fatty acids, higher fatty alcohols, paraffin, animal and vegetable waxes, glycerin fatty acid esters, solid phase fat-soluble vitamins, and lipophilic surfactants. The transparent or translucent gel cosmetic according to claim 1, which is a mixture of more than one type. 4. The transparent or translucent gel-like pigment according to claim 1, wherein the oil-based pigment is one or a mixture of two or more selected from titanium dioxide, cobalt aluminum oxide, yellow iron oxide, and ferric oxide. Cosmetics. 5. A claim in which the water-soluble thickener is one or a mixture of two or more selected from carboxyvinyl polymer, methylcellulose, carboxymethylcellulose, hydroxyethylcellulose, sodium alginate, xanthan gum, and locust bean gum. Item 1. The transparent or translucent gel cosmetic according to item 1. 6. An oily substance mixture consisting of a liquid phase oily substance, a solid phase oily substance, and/or a surface-modified pigment whose melting point is adjusted to 30 to 60°C is mixed into a water-soluble viscosity of 0.01 to 2.0%. Dispersed in an aqueous additive solution, heated to 45 to 85°C, and stirred to form spherical particles with a particle size of 0.1 to 5.0 mm,
Then, the particles were added to a transparent or translucent gel cosmetic by 0.5%.
A method for producing a transparent or translucent gel cosmetic, characterized by containing up to 30% by weight. Claim 7: The water-soluble thickener is one or a mixture of two or more selected from carboxyvinyl polymer, methylcellulose, carboxymethylcellulose, hydroxyethylcellulose, sodium alginate, xanthan gum, and locust bean gum. Item 6. The method for producing a transparent or translucent gel cosmetic according to item 6.