JP2006111549A - Emulsion composition and cosmetic using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain an emulsion composition which eases, or desirably, substantially solves at least one of such problems that low in stability with time, low in effect of oil component in use, insufficient in touch, having sticky feeling, and high in stimulativeness, and to prepare a cosmetic containing this emulsion composition. <P>SOLUTION: The emulsion composition is composed by containing at least one kind of crosslinked compound (A) selected from the group consisting of a compound formed by mutually crosslinking 2-5C hydroxyalkyl-modified starches, a crosslinked compound formed by crosslinking a 2-5C hydrooxyalkyl-modified starch with a 2-18C acyl-modified starch, and a crosslinked compound formed by mutually crosslinking 2-18C acyl-modified starches, an oil agent (B), an emulsifier (C) and water (D); and in the emulsion composition, (A):(B):(C) (in weight ratio)=0.10 to 4.00:30.0 to 60.0:0.05 to 5.00. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an emulsified composition containing a cross-linked starch, and particularly to an emulsified composition blended in a cosmetic.

  “Oil in water (O / W) emulsion” in which oil droplets are dispersed in water has been widely used as cosmetic creams and emulsions. The tactile properties of cosmetics are mainly imparted by dispersed oil droplets. However, when a large amount of oils such as waxes and fats and oils are blended in the production of the (O / W) type emulsion, the oils can be separated, and the stability with time of cosmetics tends to deteriorate.

  In order to impart excellent temporal stability to cosmetics, an emulsifier is usually blended as an essential component. In addition, it is necessary to add a large amount of emulsifier in order to contain a large amount of oil in the (O / W) type emulsion. However, since emulsifiers generally have a strong irritation to the skin, when they are added in a large amount, cosmetics with a strong irritation to the skin can be obtained, which tends to be unfavorable to consumers. Moreover, since an excessive emulsifier stabilizes an oil drop too much, when cosmetics are actually used, an oil drop will not collapse and it may become difficult to fully exhibit the effect of an oil component.

  By the way, it is disclosed by patent document 1 that a stable emulsion can be prepared by using starch for emulsification system prescription, although an emulsifier is low concentration. However, in this case, the blending amount of the oil phase is limited, and it is difficult to blend 30% by weight or more of the oil agent. Moreover, since there are too many compounding quantities of starch, the sticky touch peculiar to starch remained, and it was not enough as cosmetics.

  In recent years, a composition having an emulsifying action without using an emulsifier as an essential component, a so-called emulsified composition, is desired as a raw material for cosmetics in consideration of the skin. From such a viewpoint, it is proposed to obtain an emulsified composition emulsion using a so-called polymer emulsifier such as an acrylic acid / alkyl methacrylate copolymer or a salt thereof instead of a general surfactant as an emulsifier. (See Patent Document 2). However, emulsified compositions using these polymer emulsifiers are not always sufficient in terms of stability and feel.

  For this reason, in recent years, there is an urgent need to develop an emulsified composition that is contained in cosmetics, has low irritation to the skin, and has a satisfactory emulsifying action.

Special Table 2000-514435 JP 2002-194168 A

  The present invention has been made in order to solve such a problem, and the problem is that the stability of the emulsion composition is low over time, and the oil droplets are not easily crushed when the emulsion composition is used (effect of oil content). Low), at least one of the problems of poor feel, stickiness and high irritation is alleviated, preferably substantially eliminated, more preferably all of the above mentioned problems are alleviated, It is particularly preferred to provide an emulsified composition in which all of the above problems are substantially eliminated. Furthermore, it is providing the cosmetics containing this emulsion composition.

  As a result of intensive investigations, the present inventors have surprisingly found that when a specific cross-linked starch, an oil agent and an emulsifier are blended in a specific ratio, a large amount of oil agent is contained even though the content of the emulsifier is small. In other words, the specific cross-linked starch can contain a large amount of oil in water, so that a composition capable of sufficiently exerting the effect of the oil is prepared. The inventors have found that the present invention can be achieved and have completed the present invention.

That is, according to one aspect of the present invention, a new emulsified composition is provided,
(A) A crosslinked product in which hydroxyalkyl-modified starch having 2 to 5 carbon atoms is crosslinked, a crosslinked product in which a hydroxyalkyl-modified starch having 2 to 5 carbon atoms and an acyl-modified starch having 2 to 18 carbon atoms are crosslinked, and carbon At least one selected from cross-linked products in which the acyl-modified starches of formula 2-18 are cross-linked,
(B) oil agent (C) emulsifier (D) comprising water,
(A) :( B) :( C) (weight ratio) = 0.10 to 4.00: 30.0 to 60.0: 0.05 to 5.00.

In one embodiment of the present invention, (C) the emulsifier is
(C1) at least one selected from nonionic surfactants, anionic surfactants, cationic surfactants, amphoteric surfactants, and amino acid surfactants, and / or (C2) water-soluble as a protective colloid At least one selected from poly (meth) acrylic acid polymers, poly (meth) acrylate polymers, polyvinyl polymers, polyurethane polymers and polyether polymers The above-mentioned emulsion composition which is a water-soluble polymer is provided.

  In another embodiment of the present invention, (A) provides the above-mentioned emulsion composition in which the crosslinked product is crosslinked by phosphorylation.

  In yet another embodiment of the present invention, (A) provides an emulsified composition as described in any one of the above, which has a hydroxypropyl group.

  The reason why the emulsified composition of the present invention exhibits excellent properties is that when a specific cross-linked starch, an oil agent and an emulsifier are blended in a specific ratio, a network structure is formed, and oil droplets form droplets in the gaps of the network. This is thought to be due to the formation of a dispersed special emulsified structure. The inventor has found that such a special network structure is formed, and has completed the present invention. Details of the network structure will be described later with reference to the accompanying drawings.

Thus, in another aspect of the invention, in the aqueous phase,
(A) The above-mentioned emulsified composition is provided in which the particles are connected in a network to form a network structure, and (B) the oil agent is dispersed in the gaps of the network.

Furthermore, in another aspect of the present invention, there is provided a cosmetic comprising the emulsified composition described in any of the above.

The emulsion composition according to the present invention is:
(A) A crosslinked product in which hydroxyalkyl-modified starch having 2 to 5 carbon atoms is crosslinked, a crosslinked product in which a hydroxyalkyl-modified starch having 2 to 5 carbon atoms and an acyl-modified starch having 2 to 18 carbon atoms are crosslinked, and carbon At least one selected from cross-linked products in which the acyl-modified starches of formula 2-18 are cross-linked,
(B) oil agent (C) emulsifier (D) comprising water,
Since (A) :( B) :( C) (weight ratio) = 0.10 to 4.00: 30.0 to 60.0: 0.05 to 5.00,
Although the content of the emulsifier is small, it is possible to prepare a composition containing a large amount of oil, and the stability of the emulsified composition is low over time. At least one of the problems of low ease (low oil effect), poor touch, stickiness and high irritation is alleviated, preferably substantially eliminated, more preferably as described above. It is possible to provide an emulsified composition in which all of the above problems are alleviated, and particularly preferably, all of the above problems are substantially eliminated.

  In addition, the effect of an oil content changes with uses of each cosmetics, For example, in cosmetics for hair, a moist feeling, the provision of gloss, repair of damage, the provision of a conditioning effect, etc. can be illustrated. Skin care cosmetics can be moist, moisturizing, water-repellent, and the like. In the case of cleaning cosmetics, examples of imparting detergency, moist feeling and moisturizing properties can be given.

(C) The emulsifier is
(C1) at least one selected from nonionic surfactants, anionic surfactants, cationic surfactants, amphoteric surfactants, and amino acid surfactants, and / or (C2) water-soluble as a protective colloid At least one selected from poly (meth) acrylic acid polymers, poly (meth) acrylate polymers, polyvinyl polymers, polyurethane polymers and polyether polymers Because it is a water-soluble polymer,
Furthermore, an emulsion composition having improved stability over time and feel can be provided.

  (A) can provide an emulsified composition having further improved stability over time because the crosslinked product is crosslinked by phosphorylation.

  Since (A) has a hydroxypropyl group, it can provide an emulsified composition that is further improved in stability over time, ease of crushing of oil droplets, and feel.

In the water phase
(A) The particles are connected in a network to form a network structure, and (B) the oil agent is dispersed in the gaps of the network, so that emulsification with improved stability over time, ease of crushing of oil droplets, and feel. A composition is provided.

  Furthermore, since any one of the above-mentioned emulsified compositions is included, a cosmetic with improved stability over time, ease of crushing of oil droplets, and feel is provided.

BEST MODE FOR CARRYING OUT THE INVENTION

In the present invention, “(A) a crosslinked product in which hydroxyalkyl-modified starch having 2 to 5 carbon atoms is crosslinked, a hydroxyalkyl-modified starch having 2 to 5 carbon atoms and an acyl-modified starch having 2 to 18 carbon atoms is crosslinked. At least one selected from a crosslinked product and a crosslinked product obtained by crosslinking acyl-modified starch having 2 to 18 carbon atoms (hereinafter also referred to as “(A) starch-crosslinked product”) is a specific modified starch, that is, carbon. Two types of modified starches, a hydroxyalkyl-modified starch having 2 to 5 carbon atoms and an acyl-modified starch having 2 to 18 carbon atoms, are cross-linked between the same species or between different species (refer to JP-T-2000-514435). ).
Furthermore, these cross-linked products can be used alone or in combination.

  “Hydroxyalkyl-modified starch having 2 to 5 carbon atoms” is a starch in which a hydroxyl group is bonded to a starch skeleton via an alkyl group having C2 to C5 carbon atoms, and is suitable for hydrophilicity-lipophilicity of starch. A good balance. The position of the hydroxyl group in the alkyl group is not critical and can be any position. The degree of substitution by hydroxyalkylation is preferably 0.08 to 0.3. The degree of substitution is the average number of hydroxyl groups of starch molecules per unit of anhydroglycol. Hydroxyalkylation of natural starch is accomplished by reacting with an alkene oxide having the appropriate number of carbon atoms in natural starch. Hydroxyethylated starch and / or hydroxypropylated starch obtained by reacting starch with ethylene oxide or propylene oxide is particularly preferred. In addition, you may have several hydroxyl groups per alkyl group.

The “C2-C18 acyl-modified starch” is a starch acylated with a C2-C18 acyl group, and a suitable balance between hydrophilicity and lipophilicity of the starch is obtained. The acylation is usually performed by a reaction with an acid anhydride represented by the general formula (R—CO) ₂ O. Here, R represents an alkyl group such as a methyl group or an ethyl group.

  Cross-linking of these modified starches is achieved by a suitable cross-linking agent, i.e. a bifunctional compound. As a preferred crosslinking method, for example, phosphorylation can be exemplified. In this case, a method in which starch is reacted with phosphoryl chloride, phosphorus pentoxide, and / or sodium trimetaphosphate can be exemplified. The two starches are cross-linked by anionic P—O groups. The anionic character of the cross-linking site helps the emulsion stabilizing action of the modified starch described above.

Furthermore, as a preferable crosslinking method, a method using a C4 to C18 alkane dicarboxylic acid or alkene dicarboxylic acid can be exemplified. It is preferable to use C4-C8 alkanedicarboxylic acid, particularly adipic acid. C4-C18 alkane dicarboxylic acids or alkene dicarboxylic acids bind two starches via an ester bond. The starch may be linear or branched. Such a crosslinked product crosslinked with a dicarboxylic acid can be obtained, for example, by reacting starch with a mixed anhydride of dicarboxylic acid and acetic acid. In the case of dry starch, generally less than 0.1% by weight, usually 0.6% by weight of a crosslinking agent is used.
As the starch cross-linked product, hydroxypropyl distarch phosphate and acetylated dister thiadipate are particularly preferred.

  The starting starch used to obtain the specific starch described above may be any vegetable starch. Examples of such starting starch include corn, potato, wheat, rice, tapioca, sweet potato and sago. These starting starches preferably have an amylopectin content of at least 70% by weight, more preferably at least 85% by weight and particularly preferably at least 90% by weight.

  The above-mentioned specific starch cross-linked product (A) is preferably gelatinized, and is preferably completely gelatinized. For gelatinization, the starting starch may be gelatinized in advance, or the cross-linked product may be gelatinized, and (A) the specific starch cross-linked product used as a result is preferably gelatinized.

Examples of methods commonly used for producing such starch include cylindrical drying and extrusion spray drying.
Cylindrical drying includes simultaneous cooking and drying of a highly viscous semi-solid starch paste on a heated drum. The dried film is peeled off from the drum using a metal blade and then crushed. This step can be carried out until the solid content is very high.

  Extrusion drying can be used to simultaneously cook and dry starch (see US Pat. No. 3,137,592). This method utilizes the physical treatment of the starch / water mixture at high temperature and pressure, whereby the starch is gelatinized and the starch coming out of the nozzle is suddenly exposed to water. Expands with evaporation.

  By using the gelatinized (A) starch cross-linked product, the aqueous composition according to the present invention is at a temperature lower than the ambient temperature and lower than the temperature used to produce a known starch-containing composition. Can be generated. When cooking culinary starch (i.e. starch that has not been gelatinized) similar to the starch used according to the present invention is used, the aqueous phase is added at a temperature above the starch gelatinization temperature after addition of the culinary starch. Surprisingly, it has been found that heating for 15 minutes does not provide the desired benefits in terms of rheology, skin feel, and emulsion stability.

  The gelatinized (A) starch cross-linked product is preferably produced by spray drying. Using other drying methods, such as cylindrical drying, tends to form a less soluble starch crust, which can result in undissolved particles in the aqueous composition of the present invention.

  (A) Most of the crosslinked starch is preferably intact starch granules. Dispersions of gelatinized starch derivatives that are mostly intact granule structures are more uniform than starch dispersions that do not have a granule structure, such as those obtained by drying starch solutions. Has a smooth texture. In the case of gelatinized starch having an intact granule structure, the original internal structure called hydrogen bonding is destroyed, but the appearance or external shape is maintained.

  Reference can be made to US Pat. No. 4,280,851 for a particularly suitable method for producing a cross-linked product of gelatinized starch by spray drying. A suitable apparatus for carrying out this method can be referred to US Pat. No. 4,600,472. In this method, granular starch or granular starch cross-linked product is made into a mist and cooked or gelatinized. The starch to be cooked or the starch cross-linked product is atomized between the nozzle and the nozzle device so as to be a relatively finely divided spray. Further, a heating medium is injected into the spray material through the opening of the nozzle device, and the starch is heated to a temperature necessary for gelatinization. A sealed chamber surrounds the spray and heating medium inlet and is formed with a priming port positioned so that the heated starch spray can leave the chamber. The apparatus is such that the starch gelatinization time can be determined by the elapsed time while the starch spray material passes through the chamber, that is, from the spray port to the ventilation port. The resulting spray-dried starch, cross-linked starch, contains jagged, spherical, uniformly gelatinized starch particles, the majority of the granules being intact and intact, It expands after being summed. Nozzles that can be used to produce such starch are described in US Pat. No. 4,610,760.

  The methods described in US Pat. No. 5,149,799 can also be used to produce the preferred gelatinized starch or gelatinized starch cross-linked product. In this method, starch is uniformly atomized and cooked in a single atomization step in the presence of an aqueous medium. The atomization stage is carried out in an apparatus equipped with an internal mix two-fluid spray drying nozzle, which is also connected to a cooked and atomized starch drying apparatus.

  The spray-dried preferred gelatinized starch, starch cross-linked product can also be produced by a continuous, coupled jet-cooking and spray-drying process. The starch suspension is gelatinized at 138 ° C to 160 ° C with direct steam injection in a jet cooker. The starch suspension and steam stream are mixed in a cooking or boiling chamber. The latter exhaust port is connected to a pneumatic spray nozzle or a high-pressure nozzle installed in a conventional spray dryer. The jet-cooked starch is guided into the spray nozzle under high temperature and pressure and is atomized by cold air, hot air or preferably steam. The jet cooked hot starch solution is treated in the same way as conventional spray-dried starch after being atomized. The drying process is performed reasonably quickly to prevent starch particles from aging during cooling and drying of the droplets. Spray dried starch is amorphous (ie substantially non-crystalline) and is readily soluble or colloidally dispersible in water.

  The (A) starch cross-linked product can also be used with other starches such as natural starch and modified starch.

  In the present invention, the “(B) oil agent” is not particularly limited as long as it is an oil agent usually used in cosmetics. Examples of such oil agents include (B4) fats and oils, (B5) wax, (B1) hydrocarbon oil, (B2) ester oil, and (B3) silicon oil. Oil agents can be used alone or in combination.

The “(B4) oil” is not particularly limited as long as it is normally used in cosmetics. (B4) As fats and oils, for example, avocado oil, camellia oil, evening primrose oil, turtle oil, macadamia nut oil, corn oil, mink oil, olive oil, rapeseed oil, egg yolk oil, sesame oil, persic oil, wheat germ oil, southern oil, castor Oil, flaxseed oil, safflower oil, cottonseed oil, eno oil, soybean oil, peanut oil, tea seed oil, kaya oil, rice bran oil, cinnagari oil, Japanese kiri oil, jojoba oil, germ oil, triglycerin, cacao butter, palm Examples thereof include oil, hardened coconut oil, palm oil, palm kernel oil, owl kernel oil, hardened oil, and hardened castor oil.
(B4) Fats and oils can be used alone or in combination.

“(B5) wax” is not particularly limited as long as it is normally used in cosmetics. (B5) As waxes, for example, whale wax, beeswax, high acid value beeswax, shellac, minchiro, lanolin, lanolin acetate, liquid lanolin, carnauba wax, candelilla wax, rice bran wax, nuta wax, molefish, cotton wax, bayberry wax, montan wax, cabbage wax , Jojoba wax, sugar cane wax, ibota wax, lanolin fatty acid isopropyl, hexyl laurate, reduced lanolin, hard lanolin, shellac wax, POE lanolin alcohol ether, POE lanolin alcohol acetate, POE cholesterol ether, lanolin fatty acid polyethylene glycol and POE hydrogenated lanolin alcohol ether Etc. can be illustrated.
(B5) The waxes can be used alone or in combination.

The “(B1) hydrocarbon oil” is not particularly limited as long as it is normally used in cosmetics.
Examples of (B1) hydrocarbon oils include oils such as paraffin, liquid paraffin, hydrogenated polyisobutene, ozokerite, squalene, bristan, ceresin, petrolatum, squalane, and microcrystalline wax.
(B1) Hydrocarbon oils can be used alone or in combination.

The “(B2) ester oil” is not particularly limited as long as it is normally used in cosmetics.
Examples of (B2) ester oils include the following compounds:
Myristic esters such as isopropyl myristate, butyl myristate, myristyl myristate, isocetyl myristate, octyldodecyl myristate and 2-hexyldecyl myristate;
Palmitic acid esters such as isopropyl palmitate, cetyl palmitate, isostearyl palmitate, 2-ethylhexyl palmitate, octyl palmitate, 2-hexyldecyl palmitate and 2-heptylundecyl palmitate;
Stearates such as butyl stearate, isocetyl stearate, cholesteryl stearate, isocetyl isostearate, cholesteryl 12-hydroxystearate and N-alkyl glycol isostearate;
Laurate esters such as isopropyl laurate and hexyl laurate;
Linoleic acid esters such as ethyl linoleate and isopropyl linoleate;
Octanoic acid esters such as cetyl octanoate, cetyl 2-ethylhexanoate, hexyldecyl dimethyloctanoate, octyldodecyl dimethyloctanoate and cetyl isooctanoate;
Oleates such as decyl oleate and oleate oil;
Sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan sesquistearate, sorbitan tristearate, sorbitan monooleate, sorbitan sesquioleate, sorbitan trioleate, sorbitan monoisostearate and sorbitan sesquiisostearate Sorbitan fatty acid ester oil;
Lactate esters such as cetyl lactate and myristyl lactate;
Malate esters such as diisostearyl malate;
Adipic acid esters such as diisobutyl adipate, di-2-heptylundecyl adipate and 2-hexyldecyl adipate;
Sebacic acid esters such as di-2-ethylhexyl sebacate and diisopropyl sebacate;
Succinic acid esters such as 2-ethylhexyl succinate;
Citrate esters such as triethyl citrate, triisocetyl citrate, triisoaralkyl citrate, triisooctyl citrate, acetyl triethyl citrate and acetyl tributyl citrate;
Ethylene glycol di-2-ethylhexanoate, propylene glycol monocaprate, propylene glycol dicaprate, propylene glycol didecanoate, glyceryl tri-2-ethylhexanoate, glyceryl tri (capryl / caprate), tri-2-ethylhexanoate tri Methylolpropane, trimethylolpropane triisostearate, pentaerythritol tetra2-ethylhexanoate, glyceryl triisopalmitate, glyceryl trimyristate, decaglyceryl decastearate, decaglyceryl decaoleate, decaglyceryl decaisostearate, di-2 Polyhydric alcohol esters such as glyceryl heptyl undecanoate and neopentyl glycol dicaprate;
Lanolin acetate, dipentaerythritol fatty acid ester, alkyl benzoate, alkyl C12-15 benzoate, tol-2-heptylundecanoic acid glyceride, castor oil fatty acid methyl ester, acetoglyceride, ethyl laurate and the like.
(B2) The ester oil can be used alone or in combination.

“(B3) silicone oil” is not particularly limited as long as it is normally used in cosmetics.
Examples of (B3) silicone oil include the following compounds:
Dimethylone such as methylpolysiloxane, highly polymerized methylpolysiloxane and PCA dimethicone; Amino-modified silicon such as amodimethicone and aminopropyl dimethicone; Cyclic silicon such as cyclomethicone; Phenyl-modified silicon such as methylphenylpolysiloxane; Trimethylsiloxane Alkyl modified silicon; fluorinated modified silicon; and alkoxy modified silicon.
(B3) Silicone oil can be used alone or in combination.

In the present invention, “(C) emulsifier” generally means at least one selected from “(C1) surfactant” and “(C2) water-soluble polymer to be a protective colloid”, There is no particular limitation as long as the emulsion composition of the present invention can be obtained.
These (C) emulsifiers can be used alone or in combination.

In the present invention, “(C1) surfactant” generally refers to a surfactant that dissolves in water and lowers the surface tension of water. There are no particular restrictions as long as the molecule contains both a hydrophilic group and a hydrophobic group. (C1) Surfactants can be used alone or in combination.
Examples of (C1) surfactants include (C11) nonionic surfactants, (C12) anionic surfactants, (C13) cationic surfactants, (C14) amphoteric surfactants, and (C15) amino acid series. Surfactants and (C16) silicon surfactants can be exemplified.

The “(C12) anionic surfactant” is not particularly limited as long as it is ionized in water and becomes an anion. The (C12) anionic surfactant includes fatty acid soap. The (C12) anionic surfactant does not include (C15) an amino acid surfactant and (C16) a silicon surfactant.
Examples of (C12) anionic surfactants include the following compounds:
Polyoxyethylene lauryl ether sodium sulfate, polyoxyethylene lauryl ether ammonium sulfate, polyoxyethylene lauryl ether triethanolamine, polyoxyethylene alkyl (C12-13) ether sodium sulfate, polyoxyethylene alkyl (C12-13) ether ammonium sulfate And polyoxyethylene alkyl ether sulfates such as polyoxyethylene alkyl (C12-13) ether sulfate triethanolamine;
Alkyl sulfates such as sodium lauryl sulfate, ammonium lauryl sulfate and triethanolamine lauryl sulfate;
Sodium polyoxyethylene alkyl ether acetates such as sodium polyoxyethylene tridecyl ether acetate, sodium polyoxyethylene lauryl ether acetate and sodium polyoxyethylene coconut oil fatty acid acetate;
Dialkyl sulfosuccinic acid, polyoxyalkylene alkyl sulfosuccinate, dioctyl sodium sulfosuccinate, disodium lauryl sulfosuccinate, disodium lauryl polyoxyethylene sulfosuccinate, polyoxyethylene alkyl (C12-13) disodium sulfosuccinate, polyoxyethylene alkyl (C12-14) alkylsulfosuccinates such as disodium sulfosuccinate and disodium sulfooxysuccinate polyoxyethylene lauroylethanolamide;
Polyoxyethylene fatty acid amide ether sulfate such as polyoxyethylene coconut oil fatty acid sodium monoethanolamide sulfate;
Taurine salts such as coconut oil fatty acid methyl taurine sodium, lauroyl methyl taurine sodium, myristoyl methyl taurine sodium, palmitoyl methyl taurine sodium, stearoyl methyl taurine sodium, coconut oil fatty acid taurine sodium, lauric acid taurine sodium and acylmethyl taurine;
Sarcosine salts such as coconut oil fatty acid sarcosine sodium, lauroyl sarcosine sodium, coconut oil fatty acid sarcosine potassium, lauroyl sarcosine potassium, coconut oil fatty acid sarcosine triethanolamine and lauroyl sarcosine triethanolamine;
Lauryl phosphate, oleyl phosphate, polyoxyethylene lauryl ether phosphate, polyoxyethylene alkyl (C12-15) ether phosphate, polyoxyethylene cetyl ether phosphate, polyoxyethylene stearyl ether phosphate, dipolyoxyethylene alkyl ether Phosphate which is a salt of sodium, potassium, ammonium and triethanolamine such as phosphoric acid, tripolyoxyethylene alkyl ether phosphoric acid, polyoxyethylene oleyl ether phosphoric acid and polyoxyethylene coconut oil fatty acid monoethanolamide phosphate ;
N-acyl-L-aspartate and the like;
Palm oil fatty acid ethyl ester sulfonate, sodium alkyl ethane sulfonate, sodium polyoxyethylene alkyl ether carboxylate, alkane sulfonate, olefin sulfonate and alkyl benzene (such as dodecylbenzene sulfonate and para-toluene sulfonate) Sulfonates and the like.

Furthermore, fatty acid soap can be illustrated as (C12) anionic surfactant. “Fatty acid soap” is a fatty acid salt obtained by saponifying oils and fats, waxes, and is generally not particularly limited as long as it has one carboxyl group at the terminal. Absent.
Examples of the “fatty acid soap” include, for example, alkali salts of higher fatty acids of C6-24. Fatty acids may be saturated or unsaturated, such as capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, isostearic acid, arachidic acid, behenic acid, oleic acid, isooleic acid, linoleic acid, linolenic acid And arachidonic acid and the like. Moreover, the alkali which neutralizes a fatty acid will not be restrict | limited especially if it is normally used for manufacture of soaps, such as caustic potash, caustic soda, triethanolamine, N-methyl taurine, and ammonia. Fatty acid soaps can be used alone or in combination.
(C12) Anionic surfactants can be used alone or in combination.

The “(C11) nonionic surfactant” is not particularly limited as long as the hydrophilic group of the surfactant is nonionic. The (C11) nonionic surfactant does not include (C15) an amino acid surfactant and (C16) a silicon surfactant.
(C11) Nonionic surfactants include, for example, the following compounds:
Polyoxyethylene such as polyoxyethylene lauryl ether, polyoxyethylene cetyl ether, polyoxyethylene stearyl ether, polyoxyethylene oleyl ether, polyoxyethylene behenyl ether, polyoxyethylene octyldodecyl ether, and polyoxyethylene decyl tetradecyl ether Alkyl ethers;
Polyoxyethylene polyoxypropylene alkyl ethers such as polyoxyethylene polyoxypropylene cetyl ether, polyoxyethylene polyoxypropylene decyl ether and polyoxyethylene polyoxypropylene decyl tetradecyl ether;
Diethanolamides such as coconut oil fatty acid diethanolamide, lauric acid diethanolamide, myristic acid diethanolamide, palmitic acid diethanolamide, stearic acid diethanolamide, isostearic acid diethanolamide, oleic acid diethanolamide and palm kernel oil fatty acid diethanolamide;
Monoethanolamides such as coconut oil fatty acid monoethanolamide, lauric acid monoethanolamide, myristic acid monoethanolamide, palmitic acid monoethanolamide, stearic acid monoethanolamide, isostearic acid monoethanolamide and oleic acid monoethanolamide;
Isopropanolamides such as coconut oil fatty acid isopropanolamide, lauric acid isopropanolamide, myristic acid isopropanolamide, palmitic acid isopropanolamide, stearic acid isopropanolamide, isostearic acid isopropanolamide and oleic acid isopropanolamide;
Polyoxyethylene coconut oil fatty acid monoethanolamide, polyoxyethylene lauric acid monoethanolamide, polyoxyethylene myristic acid monoethanolamide, polyoxyethylene palmitic acid monoethanolamide, polyoxyethylene stearic acid monoethanolamide, polyoxyethylene isostearin Polyoxyethylene monoethanolamides such as acid monoethanolamide and polyoxyethylene oleic acid monoethanolamide;
Stearic acid dimethylaminopropylamide, PPG-2 hydroxyethyl cocoisostearamide;
Alkyl glucosides such as decyl glucoside, lauryl glucoside and caprylyl glucoside;
Alkyl dimethylamine oxides such as lauryl dimethylamine oxide and stearyl dimethylamine oxide;
Maltitol hydroxy fatty acid alkyl ethers, alkylated polysaccharides, sucrose fatty acid esters and fatty acid isopropanolamides;
Palm oil fatty acid polyoxyethylene sorbitan, polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan monoisostearate, polyoxyethylene sorbitan monopalmitate, polyoxyethylene sorbitan monooleate, triolein Polyoxyethylene sorbitan fatty acid esters such as polyoxyethylene sorbitan acid, polyoxyethylene sorbitan triisostearate, polyoxyethylene sorbitan tristearate;
Polyoxyethylene sorbite fatty acid esters such as polyoxyethylene sorbite monolaurate, polyoxyethylene sorbite hexastearate, polyoxyethylene sorbite tetrastearate and polyoxyethylene sorbite tetraoleate;
Polyethylene glycol fatty acid esters such as polyethylene glycol monolaurate, polyethylene glycol monostearate, polyethylene glycol distearate, polyethylene glycol monooleate and polyethylene glycol dilaurate, polyethylene glycol diisostearate, polyethylene glycol dioleate;
Glycerin fatty acid esters such as glyceryl monomyristate, glyceryl monostearate, glyceryl monooleate, glyceryl monoisostearate, glyceryl distearate, glyceryl dioleate;
Diglyceryl monostearate, diglyceryl monooleate, diglyceryl dioleate, diglyceryl monoisostearate, tetraglyceryl monostearate, tetraglyceryl monooleate, tetraglyceryl tristearate, tetraglyceryl pentastearate, pentaoleic acid Tetraglyceryl, hexaglyceryl monolaurate, hexaglyceryl monomyristate, hexaglyceryl monostearate, hexaglyceryl monooleate, hexaglyceryl tristearate, hexaglyceryl pentastearate, hexaglyceryl pentaoleate, hexaglyceryl polyricinoleate, Decaglyceryl monolaurate, decaglyceryl monomyristate, decaglyceryl monostearate, monooleic acid Kaglyceryl, decaglyceryl monolinoleate, decaglyceryl monoisostearate, decaglyceryl distearate, decaglyceryl diisostearate, decaglyceryl tristearate, decaglyceryl trioleate, decaglyceryl pentastearate, decaglyceryl pentaoleate, penta Polyglycerin fatty acid esters such as decaglyceryl isostearate, decaglyceryl heptearate, decaglyceryl heptaoleate, decaglyceryl decastearate, decaglyceryl decaoleate, decaglyceryl decastearate;
Polyoxyethylene such as glyceryl polyoxyethylene monostearate, glyceryl polyoxyethylene isostearate, glyceryl polyoxyethylene distearate, glyceryl polyoxyethylene triisostearate, glyceryl polyoxyethylene tristearate, glyceryl polyoxyethylene tristearate Glycerin fatty acid ester;
Polyoxyethylene castor oil, such as polyoxyethylene castor oil and polyoxyethylene hydrogenated castor oil;
Alkylamidoamines such as stearic acid diethylaminoethylamide and stearic acid dimethylaminopropylamide;
Polyoxyethylene phytosterol, polyoxyethylene cholesteryl ether, etc.
(C11) Nonionic surfactants can be used alone or in combination.

The “(C13) cationic surfactant” is not particularly limited as long as it is ionized in water and becomes a cation. The (C13) cationic surfactant does not include (C15) amino acid surfactant and (C16) silicon surfactant.
Examples of (C13) cationic surfactants include the following compounds:
Alkyltrimethylammonium chlorides such as lauryltrimethylammonium chloride, cetyltrimethylammonium chloride, stearyltrimethylammonium chloride and behenyltrimethylammonium chloride;
Alkyldimethylammonium chlorides such as distearyldimethylammonium chloride and dialkyl (C12-18) dimethylammonium chloride;
Lanolin derivative quaternary ammonium salt, behenyldimethylhydroxyethylammonium chloride, stearyldimethylbenzylammonium chloride, dihydroxypropyl PEG linoleammonium chloride and the like.
(C13) Cationic surfactants can be used alone or in combination.

The “(C14) amphoteric surfactant” is not particularly limited as long as it has both an anionic group and a cationic group in the molecule. The (C14) amphoteric surfactant does not include (C15) amino acid surfactant and (C16) silicon surfactant.
(C14) Examples of amphoteric surfactants include the following compounds:
Betaines such as lauryldimethylaminoacetic acid betaine, trialkylaminoacetic acid betaine and stearyldimethylaminoacetic acid betaine;
Amidopropyl betaines such as lauric acid amidopropyl betaine, coconut oil fatty acid amidopropyl betaine, myristic acid amidopropyl betaine and coconut oil alkyl-N-carboxyethyl-N-hydroxyethyl imidazolinium betaine;
Alkyl-N-hydroxyethyl-N-carboxymethylimidazolinium betaine, 2-alkyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine, N-lauroyl-N′-carboxymethyl-N′-hydroxyethylethylenediamine Imidazolinium betaines such as sodium, sodium coconut oil fatty acid acyl-N′-carboxyethyl-N′-hydroxyethylethylenediamine sodium and oleyl-N-carboxyethyl-N-hydroxyethylethylenediamine sodium;
Sulfobetaines such as lauryl hydroxysulfobetaine and lauric acid amidopropyl hydroxysulfobetaine;
Amine oxides such as lauramide amidopropyl dimethylamine oxide, lauryl dimethylamine oxide and coconut oil alkyl dimethylamine oxide;
Coconut oil alkylbetaine and polyoxyethylene palm oil fatty acid sodium monoethanolamide sulfate.
(C14) Amphoteric surfactants can be used alone or in combination.

The “(C15) amino acid surfactant” is not particularly limited as long as it has both an amino group and a carboxyl group in the molecule.
Examples of “(C15) amino acid surfactant” include the following compounds:
N-coconut oil fatty acid acyl-L-glutamic acid, N-lauroyl-L-glutamic acid, N-myristoyl-L-glutamic acid, N-stearoyl-L-glutamic acid and triethanolamine such as N-acyl-L-glutamic acid, sodium and Glutamate which is a salt such as potassium;
N-coconut oil fatty acid acyl glycine, lauroyl glycine, myristoyl glycine and stearoyl glycine and the like glycine salt which is a salt of triethanolamine, sodium and potassium;
N-coconut oil fatty acid acyl-DL-alanine, lauroylalanine, myristoylalanine and stearoylalanine, hydroxyethylhydroxyalkyl-β-alanine, coconut oil fatty acid methylalanine, lauroylmethyl-β-alanine, N-lauroyl-N-methyl- alanine salts which are salts of triethanolamine such as β-alanine and myristoylmethyl-β-alanine, sodium and potassium;
N-coconut oil fatty acid acyl sarcosine, lauroyl sarcosine, myristoyl sarcosine and stearoyl sarcosine and the like sarcosine salts which are salts such as triethanolamine, sodium and potassium;
N-coconut oil fatty acid acyl-L-arginine ethyl DL-pyrrolidone carboxylate and the like;
N-lauroyl-N′-carboxymethyl-N′-hydroxyethylethylenediamine sodium, 2-alkyl-N′-carboxymethyl-N′-hydroxyethylimidazolinium betaine and the like.
(C15) Amino acid surfactants can be used alone or in combination. Glutamate and glycine salt are particularly preferred.

  The “(C16) silicon surfactant” is not particularly limited as long as it is silicon having a hydrophilic group in the molecule. If it is normally used for cosmetics, it will not be restrict | limited in particular. Examples of (C16) silicon surfactants include polyether-modified silicon such as dimethicone copolyol, cation-modified silicon such as linoleamidopropyl PG-dimonium chloride phosphate dimethicone, and anion-modified silicon such as carboxylated modified silicon. be able to.

In the present invention, the “(C2) water-soluble polymer that serves as a protective colloid” is a water-soluble polymer that acts as a protective colloid and can obtain an emulsion composition according to the present invention. In particular, it is not limited. A water-soluble polymer containing a hydrophilic unit and a hydrophobic unit in a single molecule is preferred, and can be used alone or in combination.
(C2) Examples of the water-soluble polymer that serves as a protective colloid include natural polymers, semi-synthetic polymers, and synthetic polymers.

The “natural polymer” is usually a natural polymer, and is not particularly limited as long as the emulsifier composition intended by the present invention can be obtained. For example, plant or animal-derived polysaccharides, proteins, and the like can be exemplified, and natural polymers that have been subjected to fermentation treatment with microorganisms or heat treatment in some cases can be exemplified. These natural polymers can be classified as plant natural polymers, animal natural polymers, microbial natural polymers, and the like.
Examples of the “plant-based natural polymer” include gum arabic, gum tragacanth, galactan, guar gum, carob gum, caraya gum, carrageenan, pectin, cannan, quince seed (malmello), arche colloid (gasso extract), starch (rice, corn, potato) , Derived from wheat, etc.), glycyrrhizin and the like.
Examples of “animal natural polymers” include collagen, casein, albumin, gelatin and the like.
Examples of the “microbial natural polymer” include xanthan gum, dextran, succinoglucan, and bullulan.
A microbial natural polymer is preferable, and among these, xanthan gum is preferable. In particular, a heat-treated “microbial natural polymer” is preferable, and examples thereof include heat-treated dehydroxanthan gum. The heat treatment temperature of xanthan gum is preferably 60 ° C. or higher, more preferably 80 to 200 ° C., and particularly preferably 105 to 150 ° C.

The “semi-synthetic polymer” is usually a semi-synthetic polymer and is not particularly limited as long as the emulsifier composition intended by the present invention can be obtained. For example, the above-mentioned natural polymers such as plant or animal-derived polysaccharides and proteins can be exemplified by modification using chemical reactions. Examples include molecules, cellulose semisynthetic polymers, alginic acid semisynthetic polymers, and microbial semisynthetic polymers.
As “starch-based semi-synthetic polymer”, solubilized starch, carboxymethyl starch, cationized starch, methylhydroxypropyl starch, modified corn starch, modified potato starch, PEG-120 methylglucose oleate hydroxypropyltrimonium chloride starch, (polyquaternium -4 / hydroxypropyl starch). Note that the starch-based semi-synthetic polymer does not contain (A) a starch cross-linked product.
“Cellulosic semisynthetic polymers” can be classified into nonionic, anionic and cationic.
Examples of the “nonionic cellulose semisynthetic polymer” include alkyl celluloses such as methyl cellulose, methyl ethyl cellulose, ethyl cellulose, and microcrystalline cellulose, and hydroxyethyl cellulose, hydroxybutyl methyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose, and hydroxyethyl methyl cellulose. And hydroxyalkylcelluloses such as hydroxypropylmethylcellulose stearoxy ether, carboxymethylhydroxyethylcellulose, alkylhydroxyethylcellulose, and nonoxynylhydroxyethylcellulose.
Examples of the “anionic cellulose semisynthetic polymer” include sodium cellulose sulfate, sodium carboxymethyl cellulose (CMC) and salts thereof.
Examples of the “cationic cellulose semisynthetic polymer” include, for example, low nitrogen hydroxyethyl cellulose dimethyl diallylammonium chloride (polyquaternium-4), chloride O- [2-hydroxy-3- (trimethylammonio) propyl] hydroxyethyl cellulose (polyquaternium) -10), O- [2-hydroxy-3- (lauryldimethylammonio) propyl] hydroxyethylcellulose (polyquaternium-24) and the like.
Examples of the “alginate semisynthetic polymer” include sodium alginate and propylene glycol alginate.
Examples of the chemically modified “microbial semisynthetic polymer” include high molecular compounds obtained by chemically modifying xanthan gum, dehydroxanthan gum, dextran, succinoglucan, bullulan and the like.

  The “synthetic polymer” is not particularly limited as long as it is artificially produced using a chemical reaction and can obtain an emulsifier composition intended by the present invention. Examples of synthetic polymers include poly (meth) acrylic acid polymers, (C21) poly (meth) acrylate polymers, polyvinyl polymers, (C22) polyurethane polymers, and polyether polymers. Can be illustrated.

“Poly (meth) acrylic acid-based polymer” means a poly (meth) acrylic acid-based polymer, and any emulsifier composition intended by the present invention can be obtained. It is not limited. Examples of the poly (meth) acrylic acid polymer include polyacrylic acid, polymethacrylic acid, and salts thereof.
“(C21) Poly (meth) acrylic acid ester-based polymer” is usually a poly (meth) acrylic acid ester-based polymer, and can obtain an emulsifier composition intended by the present invention. If it is, it will not be restrict | limited in particular. (C21) Poly (meth) acrylic acid ester-based polymers can be classified into “association type” and “non-association type”.
The “associative poly (meth) acrylate polymer” is not particularly limited as long as it is a poly (meth) acrylate polymer generally referred to as an associative polymer. For example, a chain-like polymer which may have a branch, which has a hydrophilic part and a hydrophobic part in its molecular structure can be exemplified. Such polymers are disclosed in, for example, JP-A-62-81410, JP-A-10-306123, JP-A-2000-234085, and the like. Note that the contents of these patent publications are incorporated herein by reference.
Furthermore, these “association type poly (meth) acrylate polymer” can be classified into anionic and cationic.
As “anionic associative poly (meth) acrylate polymer”, for example,
Acrylates / alkyl PEG itaconate ester copolymers such as acrylates / itaconic acid steareth-20 copolymer, acrylates / itaconic acid ceteth-20 copolymer, acrylates / palconic itaconate itaconate copolymer,
Acrylates / alkyl PEG methacrylate copolymers such as acrylates / Beheneth methacrylate-25 copolymer, acrylates / laureth-25 methacrylate copolymer, acrylates / ceteth methacrylate-20 copolymer, acrylates / steareth methacrylate methacrylate-20 copolymer,
Examples thereof include acrylates / alkyl PEG acrylate copolymers such as acrylates / palmes acrylate copolymer 25 and acrylates / steare acrylate acrylate copolymer.
Examples of the “cationic associative poly (meth) acrylate polymer” include, for example, (acrylates / aminoacrylate / C10-30 alkyl PEG-20 itaconic acid) copolymer, N, N-dimethylaminoethyl diethyl methacrylate sulfate / N, N-dimethylacrylamide / polymethacrylic acid polyethylene glycol copolymer (polyquaternium-52) and the like.
“Non-associative poly (meth) acrylic acid ester-based polymer” refers to those not described as “associative poly (meth) acrylic acid ester-based polymer”, and is classified into anionic, cationic, and amphoteric. be able to.
Examples of the “anionic non-associative poly (meth) acrylate polymer” include acrylic acid / alkyl methacrylate copolymers, acrylates / C10-30 acrylic acid cross polymers, and acrylates / acrylic acids C10-30. Examples thereof include alkyl polymers, acrylates / acetoacetoxyethyl methacrylate copolymers, acrylates / stearyl methacrylate copolymers, acrylates / vinyl isodecanoate crosspolymers, acrylates copolymers, acrylates / diacetone acrylamide copolymers, and the like.
Examples of the “cationic non-associative poly (meth) acrylate polymer” include, for example, vinylpyrrolidone / dimethylaminoethyl methacrylate / acrylate / PPG diacrylate copolymer, acrylic acid / methyl acrylate / methacryloyloxyethyl chloride An example is Lucolin / butyl methacrylate copolymer.
Examples of “amphoteric non-associative poly (meth) acrylate polymer” include (octylacrylamide / hydroxypropyl acrylate / butylaminoethyl methacrylate) copolymer, methacryloyl alkylbetaine / acrylate copolymer, etc. Can do.

The “polyvinyl polymer” is usually a polyvinyl polymer, and is not particularly limited as long as the emulsifier composition intended by the present invention can be obtained. Polyvinyl polymers can be classified into anionic, nonionic, cationic and amphoteric.
Examples of the “anionic polyvinyl polymer” include sodium polystyrene sulfonate.
Examples of the “nonionic polyvinyl polymer” include polyvinyl pyrrolidone, (polyvinyl pyrrolidone / vinyl acetate) copolymer, polyacrylamide, polyvinyl alcohol, polyvinyl methyl ether, polyvinyl formamide, polyvinyl acetamide, and the like.
Examples of the “cationic polyvinyl polymer” include polyquaternium-2, dimethyldiallylammonium chloride / acrylamide (polyquaternium-7), vinylpyrrolidone / N, N-dimethylaminoethyl methacrylate copolymer diethyl sulfate (polyquaternium-11). ), Acrylamide / β-methacryloxyethyltrimethylammonium copolymer methyl sulfate (polyquaternium-5), methylvinylimidazolinium chloride / vinylpyrrolidone copolymer ammonium salt (polyquaternium-16), vinylpyrrolidone / dimethylamino methacrylate Propylamide (polyquaternium-28), polyquaternium-30, polyquaternium-32, polyquaternium-37, acrylamide / acrylamidopropyltrimonium Chloride / 2-amidopropylacrylamide sulfonic acid / dimethylamine propylamine copolymer ammonium salt (polyquaternium-43), vinylpyrrolidone / imidazolinium ammonium (polyquaternium-44), vinylcaprolactam / vinylpyrrolidone / methylvinylimidazolinium methyl Sulfuric acid (polyquaternium-46), acrylic acid / methyl acrylate and methacrylamidopropyltrimethylammonium chloride ammonium chloride (polyquaternium-47), 2-methacryloyloxyethylsphorylcholine / butyl methacrylate copolymer (polyquaternium-51 ), Acrylic acid / acrylamide / methacrylamidopropyltrimonium chloride copolymer amonium salt (polyquaternium-53 A quaternary ammonium salt (polyquaternium-54) obtained by reacting an alkylamine having 6 to 18 carbon atoms with aspartic acid in the presence of dimethylaminopropylamine and sodium chloride acetate, vinylpyrrolidone / dimethylaminopropyl methacrylate / Ammonium propyl lauryl dimonium chloride copolymer ammonium salt (polyquaternium-55), (isostearic acid / succinic acid) castor oil / resinol amidopropyl trimethyl ammonium chloride ammonium salt (polyquaternium-57), polyquaternium- 61, polyquaternium-64, methacryloyloxyethylene phosphorylcholine / butyl methacrylate and sodium methacrylate copolymer ammonium salt (polyquaternium-65) N- Examples thereof include vinylpyrrolidone / N, N-dimethylaminoethyl methacrylate, N, N-dimethylaminoethyl diethyl methacrylate sulfate and the like.
Examples of “amphoteric polyvinyl polymers” include acrylamide / acrylic acid / dimethyldiallylammonium chloride (polyquaternium-39), dimethyldiallylammonium chloride / acrylic acid (polyquaternium-22), dimethyldiallylammonium chloride / acrylic acid / acrylamide. A copolymer etc. can be illustrated.

The “(C22) polyurethane polymer” is usually a polyurethane polymer and is not particularly limited as long as the emulsifier composition intended by the present invention can be obtained. (C22) Polyurethane polymers can be classified into associative and non-associative types.
Examples of the “associative polyurethane polymer” include steareth-100 / PEG-136 / HDI copolymer.
Examples of the “non-associative polyurethane polymer” include anionic polyether polyurethane, cationic polyether polyurethane, nonionic polyether polyurethane, amphoteric polyether polyurethane, anionic polyester polyurethane, cationic polyester polyurethane, and nonionic polyester polyurethane. And amphoteric polyester polyurethane, polyurethane-14 and the like.

  The “polyether polymer” is usually a polyether polymer and is not particularly limited as long as the emulsifier composition intended by the present invention can be obtained. Examples of the polyether polymer include polyethylene glycol, polypropylene glycol, and polyethylene glycol / polypropylene glycol.

  In the present invention, (C2) the water-soluble polymer serving as a protective colloid can be used alone or in combination. (C2) As a water-soluble polymer that serves as a protective colloid, a synthetic polymer is preferable, and “poly (meth) acrylic acid polymer”, “(C21) poly (meth) acrylic acid ester polymer”, “polyvinyl”. At least one selected from “polymers”, “(C22) polyurethane polymers” and “polyether polymers” is preferable. Furthermore, at least one selected from “(C21) poly (meth) acrylic acid ester polymer” and “(C22) polyurethane polymer” is more preferable.

  In the present invention, “(D) water” is a medium of the emulsified composition, and refers to general water such as distilled water and ion-exchanged water. There is no particular limitation as long as the emulsion composition of the present invention can be obtained.

  In the emulsion composition of the present invention, the weight ratio of (A) to (B), that is, (A) :( B) :( C) (weight ratio) is 0.10 to 4.00: 30.0 to It is preferable that it is 60.0: 0.05-5.00, (A) :( B) :( C) (weight ratio) is 0.50-3.00: 35.0-60.0: More preferably, it is 0.10 to 4.00, and (A) :( B) :( C) (weight ratio) is 0.50 to 2.50: 40.0 to 60.0: 0.10. It is particularly preferred that it is ˜3.10.

  When (C) the emulsifier is a water-soluble polymer that becomes (C1) a surfactant and / or (C2) a protective colloid, (A) :( B) :( C) (weight ratio) is 0.10. ˜4.00: 30.0 to 60.0: (C1) 0.10 to 4.95 and / or (C2) 0.05 to 2.00 are preferred, (A): (B): (C) (weight ratio) is 0.50 to 3.00: 35.0 to 60.0: (C1) 0.10 to 3.90 and / or (C2) 0.10 to 2.00. More preferably, (A) :( B) :( C) (weight ratio) is 0.50 to 2.50: 40.0 to 60.0: (C1) 0.10 to 3.00 and / or Or (C2) is particularly preferably 0.10 to 1.50.

  The present invention provides a cosmetic comprising the above-described emulsion composition according to the present invention. Here, the “cosmetics” is not particularly limited as long as the above-described composition according to the present invention can be used. Examples of such cosmetics include cleaning cosmetics, hair cosmetics, makeup cosmetics, and the like.

“Hair hair cosmetics” include, for example, rinse, conditioner, treatment, hair cream, hair wax, pump foam hair styling agent, leave on treatment, treatment (rinse off), styling cream, styling lotion, acid hair dye, hair dye Agents, perms, bleaches and the like can be exemplified.
Examples of the “skin care cosmetics” include skin lotions, lotions, emulsions, creams, sunscreen agents, skin care creams, skin care lotions and the like.
Examples of “cleansing cosmetics” include nail removers, makeup removers, makeup cleansers, and the like.

  The cosmetic of the present invention can contain various additives in addition to the emulsion composition. Additives include higher alcohols, moisturizers (ecosystem moisturizers, animal and plant extract ingredients, other moisturizers), amino acids, powders, UV absorbers, preservatives, antibacterial agents, inorganic salts, fragrances, antioxidants, pH Examples include regulators, chelating agents, refreshing agents, anti-inflammatory agents, skin-beautifying components (for example, whitening agents, cell activators, rough skin prevention agents, blood circulation promoters, and the like).

The “higher alcohol” is not particularly limited as long as it is usually used in cosmetics. Examples of higher alcohols include lauryl alcohol, cetyl alcohol, stearyl alcohol, cetostearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, batyl alcohol, capryl alcohol, 2-decyltetradecinol, lanolin alcohol, cholesterol, phytosterol, hexyldodecanol. , Isostearyl alcohol, octyldodecanol and the like.
The higher alcohols can be used alone or in combination.

The humectant is not particularly limited as long as it is usually used in cosmetics. Moisturizers can be classified into “polyhydric alcohol”, “ecosystem moisturizing component”, “animal and plant extract component” and “other moisturizing agent”.
The “polyhydric alcohol” is not particularly limited as long as it is usually used in cosmetics. As polyhydric alcohol, glycerin, xylitol (xylitol), diglycerin, dipropylene glycol (DPG), sorbitol (sorbit), sorbitan, 1,3-butylene glycol (1,3BG), propylene glycol, polyethylene glycol, polyglycerin, Examples include 1,2-propanediol, 1,3-propanediol, 1,2-butanediol, 1,4-butanediol and maltitol.

  “Ecosystem moisturizing ingredients” include lactic acid, lactate (ammonium salt, sodium salt, etc.), urea, uric acid, acidic mucopolysaccharide, hyaluronic acid, sodium hyaluronate, chondroitin sulfate sodium, sericin, glucuronic acid, collagen, soluble Collagen, collagen hydrolyzate, hydrolyzed collagen ethyl, hydrolyzed collagen hexadecyl, hydrolyzed wheat protein, gelatin, elastin, water-soluble elastin, elastin hydrolyzate, intercellular lipid, nucleic acid, ribonucleic acid, ceramide, keratin, water Degraded keratin, phosphoric acid, sodium riboflavin phosphate, phospholipids and their derivatives derived from animals and plants, lecithins, and salts thereof can be mentioned.

  “Animal and plant extract components” include extracts from animals and plants, lactose (lactose), casein, chitin, chitosan, PCA chitosan, saccharides and their derivatives, polysaccharides and their derivatives, various proteins and their modified products (hydrolysis, etc.) ), Hydrolyzed wheat, alpha hydroxy acid, glycolic acid, malic acid, citric acid, seaweed extract, brown algae extract, SKII pitera, bipyzu fungus extract, trehalose.

“Other moisturizing agents” include maleic acid, α and β hydroxy acids, salicylic acid, liposomes.
The humectants can be used alone or in combination.

The “amino acid” is not particularly limited as long as it is usually used in cosmetics. Amino acid is a general term for chemical compounds having an amino group and a carboxyl group in the molecule. “Amino acid” does not include (C15) amino acid surfactant.
Specific examples of “amino acid” include L-aspartic acid, DL-alanine, L-arginine, L-isoleucine, lysine hydrochloride, glycine, L-glutamine, L-glutamic acid, sodium L-glutamate, γ-aminobutyric acid (pi Peridine acid), L-threonine (L-threonine), serine, L-tyrosine (L-tyrosine), L-tryptophan, L-valine, L-histidine hydrochloride, L-hydroxyproline (L-oxyproline), Examples include phenylalanine, L-proline, L-leucine, cystine, L-methionine, proline, lysine and salts thereof.

In the present invention, amino acids may be replaced with amino acid derivatives. The “amino acid derivative” is a compound having an amino acid skeleton, and a carboxyl group may be esterified, or a hydrogen atom of an amino group may be substituted with another functional group like sarcosine. Further, it may be a condensate of an amino acid and a reducing sugar. Furthermore, a modified amino acid in which an anionic function such as a carboxyl group or a sulfone group, a nonionic functional group such as an alkyl group, a hydroxyl group or an ethoxy group, or a cationic functional group having a quaternary ammonium salt is introduced into the carbon of the optically active center. It may be. Specifically, dihexyldecyl lauroyl glutamate, dioctyl dodecyl lauroyl glutamate, dioctyl dodecyl stearoyl glutamate, dioctyl dodecyl lauroyl glutamate, disteales lauroyl glutamate, hexyl decyl myristoylmethylaminopropionate, DL-pyrrolidonecarboxylic acid, DL-pyrrolidonecarboxylic acid Sodium (PCA soda), PCA isostearic acid PEG hydrogenated castor oil, PCA glyceres isostearate, dilauroyl glutamate (phytosteryl / octyldodecyl), dilauroyl glutamate (cholesteryl / behenyl / octyldodecyl), dilauroyl glutamate (octyldodecyl / phytosteryl) / Behenyl), Lauroyl glutamate di (cholesteryl) / Octyldodecyl), a modified amino acid of the amino acids such as N- lauroyl sarcosine isopropyl.
Amino acids can be used alone or in combination.

The “powder” is not particularly limited as long as it is normally used in cosmetics, and the shape of the powder (eg, spherical, needle-like, plate-like, etc.), particle diameter (smoke-like, Regardless of fine particles, pigment grades, etc.), particle structures (porous, non-porous, etc.), etc. can be used.
Examples of the “inorganic powder” include titanium oxide, zirconium oxide, zinc oxide, cerium oxide, magnesium oxide, barium sulfate, calcium sulfate, magnesium sulfate, calcium carbonate, magnesium carbonate, talc, synthetic mica, mica, kaolin, and sericite. Muscovite, phlogopite, phlogopite, biotite, lithia mica, silicic acid, anhydrous silicic acid, silica, aluminum silicate, magnesium silicate, magnesium aluminum silicate, calcium silicate, barium silicate, strontium silicate, Examples include tungstic acid metal salt, hydroxyapatite, vermiculite, hydrite, bentonite, montmorillonite, hectorite, zeolite, ceramic powder, dicalcium phosphate, alumina, aluminum hydroxide, boron nitride, and silica. It can be.

Examples of “organic powders” include polyamide powder, polyester powder, polyethylene powder, polypropylene powder, polystyrene powder, polyurethane powder, benzoguanamine powder, polymethylbenzoguanamine powder, tetrafluoroethylene powder, polymethylmethacrylate powder, cellulose, silk powder , Nylon powder, 12 nylon, 6 nylon, styrene-acrylic acid copolymer, divinylbenzene-styrene copolymer, vinyl resin, urea resin, phenol resin, fluorine resin, silicon resin, acrylic resin, melamine resin, epoxy resin, Examples include polycarbonate resin, microcrystalline fiber powder, rice starch, lauroyllysine, and the like.
The powders can be used alone or in combination.

The “ultraviolet absorber” is not particularly limited as long as it is usually used in cosmetics.
Examples of ultraviolet absorbers include the following compounds:
2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid, 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid sodium, dihydroxymethoxybenzophenone, dihydroxymethoxybenzophenone-sodium sulfonic acid, Benzophenone derivatives such as 2,4-dihydroxybenzophenone and tetrahydroxybenzophenone;
Paraaminobenzoic acid derivatives such as paraaminobenzoic acid, ethyl paraaminobenzoate, glyceryl paraaminobenzoate, amyl paradimethylaminobenzoate, and octyl paradimethylaminobenzoate;
Ethyl paramethoxycinnamate, isopropyl paramethoxycinnamate, octyl paramethoxycinnamate, 2-ethoxyethyl paramethoxycinnamate, sodium paramethoxycinnamate, potassium paramethoxycinnamate and paramethoxycinnamate Methoxycinnamic acid derivatives such as glyceryl mono-2-ethylhexanoate;
Salicylic acid derivatives such as octyl salicylate, phenyl salicylate, homomenthyl salicylate, dipropylene glycol salicylate, ethylene glycol salicylate, myristyl salicylate and methyl salicylate;
Urocanic acid, urocanic acid ethyl, urocanic acid ethyl ester, 4-tert-butyl-4'-methoxybenzoylmethane, 2- (2'-hydroxy-5'-methylphenyl) benzotriazole, 2-phenyl-5-methylbenzo Xazole, methyl anthranilate, dimethoxybenzylidenedioxoimidazolidinepropionate 2-ethylhexyl, oxybenzone and the like.
Ultraviolet absorbers can be used alone or in combination.

  The “preservative” is not particularly limited as long as it is usually used in cosmetics. Examples of the preservative include paraoxybenzoic acid alkyl ester, benzoic acid, sodium benzoate, sorbic acid, potassium sorbate, phenoxyethanol, dehydroacetic acid and salts thereof. Preservatives can be used alone or in combination.

  The “antibacterial agent” is not particularly limited as long as it is usually used in cosmetics. Examples of antibacterial agents include benzoic acid, salicylic acid, coalic acid, sorbic acid, paraoxybenzoic acid ester, parachloromethcresol, hexachlorophene, benzalkonium chloride, chlorhexidine chloride, trichlorocarbanilide, photosensitizer and phenoxyethanol. be able to. Antibacterial agents can be used alone or in combination.

  The “inorganic salt” is not particularly limited as long as it is normally used in cosmetics and can be mixed in the cosmetic production process. Examples of such inorganic salts include mineral acids such as sulfuric acid, hydrochloric acid and phosphoric acid, or salts of carbonic acid with alkali metals or alkaline earth metals. Specifically, for example, sodium chloride, potassium chloride, magnesium chloride, calcium chloride, sodium sulfate, sodium hydrogen sulfate, potassium sulfate, potassium hydrogen sulfate, magnesium sulfate, calcium sulfate, monosodium phosphate, disodium phosphate, phosphorus Examples include monopotassium acid, dipotassium phosphate, sodium carbonate, sodium hydrogen carbonate, potassium carbonate, potassium hydrogen carbonate, magnesium carbonate, calcium carbonate, etc., and these inorganic salts may be used alone or in combination. Can do.

  The “antioxidant” is not particularly limited as long as it is usually used in cosmetics. Examples of the antioxidant include tocopherol, butylhydroxyanisole and dibutylhydroxytoluene. Antioxidants can be used alone or in combination.

  The “pH adjuster” is not particularly limited as long as it is usually used in cosmetics. Examples of the pH adjusting agent include lactic acid, citric acid, glycolic acid, succinic acid, tartaric acid, dl-malic acid, 2-amino-2-methyl-1-propanol, triethanolamine, potassium hydroxide, sodium hydroxide, and carbonic acid. Examples include potassium, sodium hydrogen carbonate, ammonium hydrogen carbonate, and the like. The pH adjusters can be used alone or in combination.

The “chelating agent” is not particularly limited as long as it is usually used in cosmetics. Examples of chelating agents include alanine, sodium edetate, sodium polyphosphate, sodium metaphosphate, and phosphoric acid.
Chelating agents can be used alone or in combination.

The “cooling agent” is not particularly limited as long as it is normally used in cosmetics. Examples of the refreshing agent include L-menthol and camphor.
The refreshing agents can be used alone or in combination.

  The “anti-inflammatory agent” is not particularly limited as long as it is usually used in cosmetics. Examples of the anti-inflammatory agent include allantoin, glycyrrhetinic acid, tranexamic acid, and azulene. Anti-inflammatory agents can be used alone or in combination.

  The cosmetic according to the present invention can be produced using a generally used method, and is not particularly limited. For example, it can manufacture by adding the above-mentioned various additives to the emulsion composition which concerns on this invention. Additives may be added to the emulsified composition, or additives may be added to the emulsified composition.

The emulsified composition according to the present invention has excellent effects as described above, which is considered to be because the emulsified composition according to the present invention forms a special network structure as described below. . Hereinafter, the present invention will be further described with reference to the accompanying drawings.
As shown in FIG. 1 (a), the emulsified composition of the present invention in which (A) a specific crosslinked starch, (B) and (C) are blended in the specific ratio described above is (D) in an aqueous phase. (A) is connected in a granular form, and (B) is considered to wrap up the oil agent. That is, when a specific cross-linked starch particle (1) forms a network structure in water (3) and forms a special emulsified structure in which the oil (2) is dispersed in the form of drops in the gaps of the network structure. Conceivable. Since such an emulsified structure different from micelles formed by a general surfactant exists as an emulsifier, it is considered that a large amount of oil agent can be dispersed and stably present in the aqueous phase.

  An emulsified composition having a special emulsification structure as shown in FIG. 1 (a) (or a cosmetic obtained by blending it) is placed on the skin (4) as shown in FIG. 1 (b). When applied with the finger (5), the network structure formed by the specific cross-linked starch is destroyed by the shear stress applied to the emulsified composition by the finger, so that the oil agent (2) dispersed in droplets in the gaps of the network structure is combined. However, it becomes a large drop and oil appears on the surface. In the case of FIG.1 (b), the one part adheres on skin. As a result, an oil effect is obtained. Since the content of the surfactant in the emulsified composition according to the present invention is small, the plurality of droplet-like oils (2) can be easily united and adhered to the skin. Moreover, the massage effect with respect to skin will also be acquired by the grain of specific bridge | crosslinking starch being pressed on the skin with a finger in this case. In addition, (A) specific crosslinked starch will maintain the temporal stability of an emulsion composition by forming a network structure in water.

  When the application of shearing to the emulsified composition is stopped by the finger, the network structure of the crosslinked starch granules (1) is again except for the oil (2) attached to the skin (4) as shown in FIG. It will be included in the gap. As described above, the oil agent (2) is consequently applied directly to the skin (4), and on the other hand, it is thought that a massage effect and a refreshing feeling can be obtained by the feel of the crosslinked starch granules. It is done.

  As described above, the specific crosslinked starch (A) can impart a smooth feel to the cosmetic and reduce excessive stickiness of the oil. When (A) :( B) :( C) (weight ratio) is less than 0.10: 30.0 to 60.0: 0.05 to 5.00, the amount of (A) is small Therefore, the aging stability of the obtained emulsion composition becomes insufficient. When (A) :( B) :( C) (weight ratio) is a value exceeding 4.00: 30.0 to 60.0: 0.05 to 5.00, the emulsion composition undergoes phase separation. Or the stability over time is insufficient. This is thought to be because the oil agent is separated because the starch network structure in the aqueous phase becomes dense and the gap occupied by the oil agent is reduced.

  When (A) :( B) :( C) (weight ratio) is 0.10 to less than 4.00: 30.0: 0.05 to 5.00, the amount of (B) is small Therefore, the effect of the oil content of the resulting cosmetic is reduced. When (A) :( B) :( C) (weight ratio) is a value exceeding 0.10 to 4.00: 60.0: 0.05 to 5.00, the amount of (B) Therefore, the stability with time of cosmetics is reduced.

  When (A) :( B) :( C) (weight ratio) is a value of 0.10 to 4.00: 30.0 to less than 60.0: 0.05, the amount of (C) is small Therefore, the temporal stability of the cosmetic is lowered. When (A) :( B) :( C) (weight ratio) is a value exceeding 0.10 to 4.00: 30.0 to 60.0: 5.00, the amount of (C) is large. Therefore, the skin irritation of cosmetics becomes too strong, which is not preferable. Furthermore, even if the cutting stress is applied by the finger, the formed network structure is not easily broken, so that the oil agents are not easily united, and the effect of the oil agent is hardly obtained.

  As another aspect of the present invention, there is provided a cosmetic comprising the emulsion composition as described above. As already described, the cosmetic according to the present invention is excellent in stability over time and imparted a smooth feeling by including the above emulsion composition. As shown in FIG. 1, when the cosmetic is applied to the skin, when the cosmetic is stretched with a finger or the like, the cutting force at this time is applied to the network structure of the (A) specific starch particles (1). Collapse. Due to the collapse of the network structure, it is considered that the oil agent dispersed as the oil droplet (2) is combined into one, and the effect of the oil can be imparted.

Hereinafter, the present invention will be described in detail with reference to Examples and Comparative Examples. The components used for preparing the emulsified composition, the hair cosmetic, the skin care cosmetic, and the cleaning cosmetic are shown below.
(A) The following were used as the starch cross-linked product:
(A-1) gelatinized hydroxypropyl starch phosphate (National Starch's STRUCTURE XL (trade name));
(A-2) non-gelatinized hydroxypropyl starch phosphate;
(A-3) Gelatinized phosphorylated starch.
For comparison, the following were used as (A) 'starch (not cross-linked):
(A-1) 'gelatinized hydroxypropylated starch;
(A-2) 'Gelatinized corn starch.

(B) As the oil agent, (B1) hydrocarbon oil, (B2) ester oil, (B3) silicon oil, (B4) oil and fat, (B5) the following belonging to wax were used:
(B1-1) Liquid paraffin (ExxonMobil Christol N72 (trade name));
(B1-2) Hydrogenated polyisobutene (Unikema's Prisorine 3758 (trade name));
(B1-3) Squalane (Uniquema's PRIPURE 3759 (trade name));
(B2-1) Cetyl 2-ethylhexanoate (Nippon Seika NS-CIO (trade name));
(B2-2) Glyceryl tri-2-ethylhexanoate (Nippon Seikagyo IOTG (trade name));
(B2-3) Octyl palmitate (Unikema's ESTOL 1543 (trade name));
(B2-4) C12-15 alkyl benzoates (Fintex's Finsolv TN (trade name));
(B2-5) Isocetyl isostearate (NIKKOL ICIS (trade name) from Nikko Chemicals);
(B2-6) Cetyl palmitate (NIKKOL N-SP (trade name) from Nikko Chemicals);
(B2-7) Octyldodecyl myristate (NIKKOL ODM-100 (trade name) from Nikko Chemicals);
(B3-1) Dimethicone (Toray Dow Corning SH200C-10cs (trade name));
(B3-2) aminopropyl dimethicone (Shin-Etsu Chemical KF-8015 (trade name));
(B3-3) Amodimethicone (SM8704C (trade name) of Toray Dow Corning);
(B3-4) Cyclomethicone (Toray Dow Corning DC345 (trade name));
(B3-5) Trimethylsiloxysilicate (DC593 (trade name) of Toray Dow Corning);
(B4-1) Camellia oil (refined camellia oil (trade name) from Oshima Sakai Honpo);
(B5-1) Candelilla wax (Candelilla wax (trade name) from Mitsuba Trade);
(B5-2) Beeswax (Cross Japan Beeswax S (trade name)).

(C) As an emulsifier, (C11) a nonionic surfactant, (C12) an anionic surfactant, (C13) a cationic surfactant, (C14) an amphoteric surfactant, (C15) an amino acid surfactant, The followings belonging to (C16) silicon surfactant, (C21) poly (meth) acrylate polymer and (C22) polyurethane polymer were used:
(C11-1) polyoxyethylene (2) stearyl ether (Unikema's Brij 72 (trade name));
(C11-2) polyoxyethylene (21) stearyl ether (Unijma's Brij 721 (trade name));
(C11-3) polyoxyethylene (40) hydrogenated castor oil (Nikko Chemicals NIKKOL HCO-40 (trade name));
(C11-4) polyoxyethylene (60) hydrogenated castor oil (Nikko Chemicals NIKKOL HCO-60 (trade name));
(C11-5) polyoxyethylene (20) cetyl ether (NIKKOL BC-20TX (trade name) from Nikko Chemicals);
(C11-6) Polyoxyethylene monolaurate (20) sorbitan (Toho Chemical's Sorbon T-20 (trade name));
(C11-7) Polyoxyethylene monostearate (20) Sorbitan (Sobon T-60 (trade name) of Toho Chemical Industries)
(C11-8) Polyoxyethylene trioleate (20) Sorbitan (Sobon T-85 (trade name) from Toho Chemical Industries)
(C11-9) polyoxyethylene (20) hydrogenated castor oil (Nikko Chemicals NIKKOL HCO-20 (trade name));
(C12-1) Sodium lauryl sulfate (Kao's Emar O (trade name));
(C13-1) behenyltrimethylammonium chloride (GEMANIN KDM-P (trade name) of Cognis Co., Ltd.);
(C13-2) Stearyltrimethylammonium chloride (Katonal STC-25AQ (trade name) of Toho Chemical Industry);
(C14-1) Coconut oil fatty acid amidopropyl betaine (Kawaken Fine Chemical Co., Ltd., Softazoline CPB (trade name));
(C15-1) N-coconut oil fatty acid acyl-L-glutamate potassium (Ajinomoto Amisoft CK-11 (trade name));
(C15-2) sodium N-stearoyl-L-glutamate (Ajinomoto Amisoft HS-11P (trade name));
(C16-1) Dimethicone copolyol (SH3771M (trade name) of Toray Dow Corning);
(C16-2) Linolamidopropyl PG-dimonium chloride phosphate dimethicone (Unikema's Arlasilk phospholipid PLN (trade name));
(C21-1) Acrylates / Itaconic acid steareth-20 copolymer (National Starch STRUCTURE 2001 (trade name));
(C21-2) Acrylic acid / alkyl methacrylate copolymer (Noveon PEMULEN TR-1 (trade name));
(C22-1) Polyurethane-14 (National Star DynamX (trade name)).

  (D) Water (d-1) water (ion exchange water) was used as water.

The following ingredients were used as other ingredients:
(K1) Ecological moisturizing component (k1-1) hydrolyzed collagen (Seiwa Kasei's Promois W-82 (trade name));
(K3) Polyhydric alcohol (k3-1) Glycerin (Unikema's PRICERIN 9091 (trade name), (k3-2) Propylene glycol (Mitsui Chemicals), (k3-3) 1,3-butylene glycol (Kyowa Hakko Kogyo) );
(K4) (k4-1) hydrolyzed wheat of animal and plant extract components (Nawawa Kasei's Promois WG (trade name));
(K5) amino acids (k5-1) Na glutamate (Ajinomoto L-glutamate Na-hydrate), (k5-2) Na aspartate (Ajinomoto L-aspartate);
(K6) amino acid derivative (k6-1) dilauroyl glutamate (phytosteryl / octyldodecyl) (Ajinomoto Erduus PS-203 (trade name));
(K7) higher alcohol (k7-1) behenyl alcohol (LAGNTE 22 (trade name) from Cognis Japan), (k7-2) cetostearyl alcohol (LANETTE WAX O (trade name) from Cognis Japan);
(K8) pH adjuster (k8-1) 2-amino-2-methyl-1-propanol;
(K9) powder (k9-1) titanium oxide, alumina, silica mixture (Uniquema's Tiovel AQ-N (trade name));
(K10) UV absorber (k10-1) oxybenzone (Symrise Neo Heliopan BB (trade name)), (K10-2) Octyl salicylate (Symrise Neo Heliopan OS (trade name)), (k10-3) salicylic acid Homomentil (Symrise's Neo Heliopan HMS (trade name)).

In addition, the following were used as other components:
(M-1) preservative; (m-2) perfume; (m-3) ethanol.

Preparation of Sample (D) (C) Surfactant was added to water and heated to 80 ° C. The (B) oil previously heated to 80 ° C. was slowly added and emulsified. Then, after adding (A) starch aqueous solution previously dissolved in 15 weight part of water, it cooled gradually. In addition, the number of the component in a table | surface shows the value of an active ingredient, and the unit of a numerical value is a weight part unless there is particular description.

Viscosity measurement Viscosity was measured using a Brookfield viscometer, spindle no. Using 4, 5 or 6, the measurement was performed under the conditions of a temperature of 30 ° C. and a rotational speed of 10 rpm.

Oil feel The samples obtained in each of the examples and comparative examples were subjected to an actual use test by 10 panelists to evaluate the oil feel. That is, when the sample was applied to the skin, an evaluation was made as to whether or not an oil feel could be obtained. Evaluation criteria were set as follows.
If 9 to 10 people feel that the oil has been felt, ◎;
If 5 to 8 people feel that the oil has been felt, ○;
If 2 to 4 people feel that the oil has been felt, △;
If the number of people who felt that the oil was felt was 0 to 1, x.

Stickiness feeling Samples obtained in each of the examples and comparative examples were subjected to an actual use test by 10 panelists to evaluate the stickiness feeling. That is, when the sample was applied to the skin, it was evaluated whether or not there was a sticky feeling peculiar to starch. Evaluation criteria were set as follows.
If there are 9-10 people who feel sticky, ◎;
If there are 5-8 people who feel sticky, ○;
If there are 2 to 4 people who feel sticky, △;
If the number of people who feels sticky is 0 to 1, x.

As examples of hair cosmetics, we created conditioners, treatments (leave on), treatments (rinse off), styling creams, and styling lotions.
As shown in Table 5, the conditioner was prepared by blending the raw materials in the proportions shown in Table 5, dissolving at 80 ° C., stirring until uniform, and then cooling to room temperature.

As shown in Table 6, the treatment (leave on) was prepared by blending each raw material in the ratio shown in Table 6, dissolving this at 80 ° C., stirring until uniform and then cooling to room temperature. .

As shown in Table 7, the treatment (rinse off) was prepared by blending each raw material in the proportions shown in Table 7, dissolving at 80 ° C., stirring until uniform and then cooling to room temperature. .

As shown in Table 8, the styling cream was prepared by blending each raw material in the ratio shown in Table 8, dissolving it at 80 ° C., stirring until uniform and then cooling to room temperature.

As shown in Table 9, the styling lotion was prepared by blending each raw material in the ratio shown in Table 9, dissolving it at 80 ° C., stirring until uniform and then cooling to room temperature.

As examples of skin care cosmetics, sunscreen agents, skin care creams, and skin care lotions were prepared.
As shown in Table 10, the sunscreen agent was prepared by blending each raw material in the ratio shown in Table 10, dissolving this at 80 ° C., stirring until uniform and then cooling to room temperature.

As shown in Table 11, the skin care cream was prepared by blending each raw material in the ratio shown in Table 11, dissolving it at 80 ° C., stirring until uniform and then cooling to room temperature.

As shown in Table 12, the skin care lotion was prepared by blending each raw material in the ratio shown in Table 12, dissolving it at 80 ° C., stirring until uniform and then cooling to room temperature.

As examples of cleaning cosmetics, makeup removers and nail removers were prepared.
As shown in Table 13, the makeup remover was prepared by blending each raw material in the ratio shown in Table 13, dissolving it at 80 ° C., stirring until uniform, and then cooling to room temperature.

As shown in Table 14, the nail remover was prepared by blending each raw material in the proportions shown in Table 14, dissolving at 80 ° C., stirring until uniform, and then cooling to room temperature.

FIG. 1 is a schematic diagram showing a network structure of the emulsion composition of the present invention.

Explanation of symbols

1 Grain of crosslinked starch 2 Oil 3 Water 4 Skin 5 Finger

Claims (6)

(A) A crosslinked product in which hydroxyalkyl-modified starch having 2 to 5 carbon atoms is crosslinked, a crosslinked product in which a hydroxyalkyl-modified starch having 2 to 5 carbon atoms and an acyl-modified starch having 2 to 18 carbon atoms are crosslinked, and carbon (B) oil agent (C) emulsifier (D) comprising water, at least one selected from crosslinked products obtained by crosslinking acyl-modified starches of 2 to 18
(A) :( B) :( C) (weight ratio) = 0.10-4.00: 30.0-60.0: 0.05-5.00 The emulsion composition characterized by the above-mentioned. (C) The emulsifier is
(C1) at least one selected from nonionic surfactants, anionic surfactants, cationic surfactants, amphoteric surfactants, and amino acid surfactants, and / or (C2) water-soluble as a protective colloid At least one selected from poly (meth) acrylic acid polymers, poly (meth) acrylate polymers, polyvinyl polymers, polyurethane polymers and polyether polymers The emulsified composition according to claim 1, which is a water-soluble polymer.   (A) is the emulsion composition according to claim 1 or 2, wherein the crosslinked product is crosslinked by phosphorylation.   (A) has a hydroxypropyl group, The emulsion composition in any one of Claims 1-3 characterized by the above-mentioned.   The emulsion composition according to any one of claims 1 to 4, wherein (A) the particles are connected in a network to form a network structure, and (B) the oil agent is dispersed in the gaps of the network. . Cosmetics which comprise the emulsion composition in any one of Claims 1-5.

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