JPH06279233A - Powdery composition and its production - Google Patents

Abstract

PURPOSE:To provide a powdery composition not changed with the lapse of time and capable of being simply returned to an emulsified composition by adding water. CONSTITUTION:A powdery composition is produced by adding a powdering agent to an emulsified composition comprising an oily component, a surfactant and water and subsequently drying the mixture for the removal of water therefrom.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a powdered composition of an emulsified composition, more specifically, a powdery composition which does not change with time and can be easily reconstituted by adding water. Relates to a powdery composition for hair cosmetics.

[0002]

2. Description of the Related Art An emulsified composition is an oily component dispersed in water by the amphipathic action of a surfactant. The composition is widely used in the fields of foods, cosmetics, or pharmaceuticals because of its appearance, viscous properties, and ease of use. However, since this emulsion composition is a thermodynamically unstable system, it has a problem in storage stability, and its viscosity may change or it may separate over time. In particular, when exposed to high temperature, thawed after freezing, or subjected to vibration during transportation, this viscosity change or separation is likely to occur. In order to minimize these problems, it is required to examine the type and balance of a large number of oily components and surfactants in the preparation of emulsion compositions. Further, recently, a method of reducing the dispersed particle diameter by using a high pressure homogenizer or the like has been tried, but a method of completely solving it has not been found yet.

[0003]

As described above, there is a problem that the emulsified composition is susceptible to aging and it is difficult to maintain a constant quality, and a stable emulsified composition and a simple preparation method thereof are provided. Was wanted.

[0004]

Means and Actions for Solving the Problems As a result of intensive studies for solving the above problems, the present inventor has found that there is no problem of time-dependent change by adding a powdering agent to an emulsified composition and drying it. It has been found that a powdery composition which is lightweight and compact because it does not contain water and which is convenient for storage and transportation can be obtained. Furthermore, it was found that an emulsified composition can be easily obtained by adding water to this powdery composition, and that it can be favorably used as a hair cosmetic product, thus completing the present invention.

That is, the first gist of the present invention is that a powdery composition is obtained by adding a powdering agent to an emulsified composition comprising an oily component, a surfactant and water, and removing water by drying. It exists in things.

A second aspect is a powdery form characterized by adding a powdering agent to an emulsified composition comprising an oily component, a surfactant, and water before emulsification, during emulsification, or after emulsification. Present in a method of making a composition.

A third aspect is a powdery composition according to the first aspect, wherein the powdering agent is one or more selected from cyclodextrin and its derivatives, dextrin, and silicic acid. Exists in.

A fourth aspect resides in a powdery composition for hair cosmetics, which in the first aspect comprises at least one cationic surfactant as a surfactant.

The fifth aspect resides in a hair dye composition or a decolorizing agent composition, which is characterized by blending the powdery composition of the first aspect.

The present invention will be described in detail below. The oily component in the present invention may be waxes, oils and fats, hydrocarbons, esters, higher fatty acids, higher alcohols, etc., which are commonly used in foods, cosmetics and pharmaceuticals. The blending amount thereof is 5% by weight to 80% by weight, preferably 10% by weight to 60% by weight, based on the powdery composition.

Examples of the waxes include carnauba wax, candelilla wax, lanolin or derivatives thereof,
Examples include beeswax, spermaceti, and jojoba oil.

Examples of the oils and fats include castor oil or a derivative thereof, hydrogenated castor oil or a derivative thereof, sorghum, coconut oil, mink oil, beef tallow, persic oil, sesame oil, olive oil, cacao butter, avocado oil, almond oil, saxa oil. Examples thereof include flower oil, southern oil, soybean oil, camellia oil, corn oil, rapeseed oil, cottonseed oil, peanut oil, turtle oil, egg yolk oil, palm oil and lard.

As the hydrocarbon, for example, paraffin,
Liquid paraffin, liquid isoparaffin, petrolatum, microcrystalline wax, ozokerite, ceresin,
Examples thereof include gelled hydrocarbon, squalane, squalene, pristane and the like.

Examples of the esters include myristyl lactate, cetyl lactate, hexyldecyl dimethyloctanoate, cetyl octanoate, ethylhexyl succinate, hexyl laurate, isopropyl myristate, myristyl myristate, octyldodecyl myristate, isopropyl palmitate. , Butyl stearate, decyl oleate, diethyl phthalate, lanolin acetate, ethylene glycol monostearate, propylene glycol monostearate, propylene glycol dioleate and the like.

Examples of higher fatty acids include lauric acid, myristic acid, palmitic acid, stearic acid, isostearic acid, behenic acid, oleic acid, lanolinic acid,
Examples thereof include linoleic acid, ricinoleic acid and levulinic acid.

Examples of higher alcohols include cetyl alcohol, oleyl alcohol, lauryl alcohol, stearyl alcohol, isostearyl alcohol, cetostearyl alcohol, myristyl alcohol, lanolin alcohol, cholesterol, phytosterols, hexyldecanol, octyldodecanol,
Examples thereof include behenyl alcohol and batyl alcohol.

The surfactant in the present invention may be an anionic surfactant, a nonionic surfactant, an amphoteric surfactant or a cationic surfactant. These are illustrated below. The blending amount thereof is 0.1% by weight to 70% by weight, preferably 0.5% by weight to 50% by weight, based on the powdery composition.

Examples of the anionic surfactant include the following. 1. Sulfate ester salt 1-1) Alkyl sulfate ester salt Sodium lauryl sulfate, triethanolamine lauryl sulfate, ammonium lauryl sulfate, sodium cetyl sulfate, sodium stearyl sulfate, etc. 1-2) Alkyl and alkylallyl ether sulfate salt polyoxyethylene (hereinafter, Abbreviated as POE.) Sodium lauryl ether sulfate, POE lauryl ether sulfate triethanolamine, POE lauryl ether sulfate ammonium, POE sodium alkyl ether sulfate,
POE alkyl ether triethanolamine sulfate, P
OE alkyl ether sulfate diethanolamine, POE
Alkyl ether ammonium sulfate etc. 1-3) Sulfate ester salt of higher fatty acid ester salt Hardened coconut oil fatty acid sodium glyceryl sulfate etc. 1-4) Sulfate ester salt of higher fatty acid alkylolamide 1-5) Sulfated oil Sulfated castor oil etc. 2 ． Phosphoric acid ester salt POE lauryl ether phosphoric acid, POE oleyl ether phosphoric acid, POE cetyl ether phosphoric acid, POE stearyl ether phosphoric acid, POE alkyl ether phosphoric acid,
2. POE alkyl phenyl ether phosphoric acid, and salts thereof (sodium salt, triethanolamine salt), etc. Sulfonate 3-1) α-Olefin sulfonate 3-2) Sulfonate of higher fatty acid ester 3-3) Sulfonate of higher fatty acid amide Coconut oil fatty acid methyl taurine sodium, lauroyl rotyl taurine sodium, etc. 3- 4) Alkylbenzene sulfonate Dodecylbenzene sulfonate Triethanolamine etc. 3-5) Sulfosuccinate sodium sulfosuccinate, disodium lauryl sulfosuccinate, POE disodium sulfosuccinate, PO
E disodium lauryl sulfosuccinate, disodium sulfosuccinic acid POE lauroylethanolamide ester, undecylenoylamide ethyl disodium sulfosuccinate, etc. Carboxylate 4-1) Condensation product of higher fatty acid and amino acid N-acyl sarcosine salt such as sodium lauroyl sarcosine, sodium N-lauroyl-L-glutamate, disodium N-stearoyl-L-glutamate, N-myristoyl-L- N-acyl glutamate and the like such as sodium glutamate 4-2) Fatty acid soap Nonionic surfactants such as a soap base, sodium laurate and sodium palmitate include the following. 1. POE alkyl ether, POE cetyl ether, POE stearyl ether, P
OE behenyl ether, POE oleyl ether, PO
E lauryl ether etc. 2. POE alkyl allyl ether POE nonyl phenyl ether, POE octyl phenyl ether, etc. POE sorbitan fatty acid ester POE sorbitan monooleate, monostearate P
OE sorbitan, POE sorbitan monopalmitate,
POE sorbitan monolaurate, PO trioleate
E-sorbitan, etc. 4. 4. POE glyceryl monofatty acid ester, POE glycerin monostearate, POE glycerin monomyristic acid, etc. 5. POE sorbitol fatty acid ester tetraoleic acid POE sorbit, hexastearic acid POE sorbit, monolauric acid POE sorbit, POE sorbit beeswax, etc. Castor oil, hydrogenated castor oil derivative POE hydrogenated castor oil, POE castor oil, etc. 7. POE fatty acid ester polyethylene glycol monooleate, polyethylene glycol monostearate, polyethylene glycol monolaurate, etc. 8. Higher fatty acid glycerin ester Lipophilic glyceryl monooleate, lipophilic glyceryl monostearate, self-emulsifying glyceryl monostearate, etc. 10. Sorbitan fatty acid ester sorbitan monooleate, sorbitan sesquioleate, sorbitan trioleate, sorbitan monostearate, sorbitan monopalmitate, sorbitan monolaurate, etc. Lanolin derivative POE lanolin, POE lanolin alcohol, POE sorbitol lanolin, etc. 11. Alkyrolamide Lauric acid diethanolamide, coconut oil fatty acid diethanolamide, etc. 12. POE fatty acid amide POE stearic acid amide, etc. 13. Sucrose fatty acid ester 14. Alkylamine oxide Dimethyllaurylamine oxide, etc.

As the amphoteric surfactant, carboxylic acid type,
Sulfate ester type, sulfonic acid type, phosphate ester type, etc., for example, 2-alkyl-N-carboxymethyl-N
-Hydroxyethyl imidazolinium betaine, lauryl dimethylamino acetic acid betaine, undecinoyl-carboxymethoxyethyl carboxymethyl imidazolinium betaine sodium, undecyl hydroxyethyl imidazolinium betaine sodium, undecyl-N-
Hydroxyethyl-N-carboxymethylimidazolinium betaine, alkyldiaminoethylglycine hydrochloride solution, stearyldihydroxyethylbetaine, stearyldimethylaminoacetic acid betaine, stearyldimethylbetaine sodium solution, bis (stearyl-N-hydroxyethylimidazoline) chloroacetic acid complex, Palm oil alkyl-N-carboxyethyl-N-hydroxyethyl imidazolinium betaine sodium, palm oil alkyl-N
-Carboxyethoxyethyl-N-carboxyethyl imidazolinium disodium hydroxide, coconut oil alkyl-N-carboxymethoxyethyl-N-carboxyethyl imidazolinium disodium hydroxide, coconut oil alkyl-N-carboxymethoxyethyl-N -Carboxyethyl imidazolinium disodium lauryl sulfate, coconut oil alkyl betaine, coconut oil fatty acid amidopropyl betaine, coconut oil fatty acid-N-carboxymethoxyethyl-N-carboxyethyl imidazolinium betaine sodium, lauryl aminopropionate triethanolamine , Sodium β-laurylaminopropionate, lauryl N-carboxymethoxyethyl-N-carboxymethylimidazolinium disodium dodecanoylsarcosine, Uri distearate aminoethyl sodium glycine, lauric acid amide propyl betaine solution and the like.

The cationic surfactant is represented by the following general formula.

[0021]

[Chemical 1]

For example, alkyltrimethylammonium chloride, lauryltrimethylammonium chloride, cetyltrimethylammonium chloride, cetyltrimethylammonium bromide, stearyltrimethylammonium chloride, stearyltrimethylammonium bromide, lauryltrimethylammonium bromide, dialkyldimethylammonium chloride, dichloride. Examples thereof include cetyl dimethyl ammonium, distearyl dimethyl ammonium chloride, dicocoyl dimethyl ammonium chloride, myristyl dimethyl benzyl ammonium chloride, and stearyl dimethyl benzyl ammonium chloride.

Further, the powdering agent of the present invention is a compound which is powdery at room temperature, and includes cyclodextrin and its derivatives, dextrin, starch, cellulose, silicic acid,
Examples thereof include silica and nylon powder. Among these, cyclodextrin and its derivatives, dextrin, and silicic acid are preferably used.
As cyclodextrin and its derivative, α-
Cyclodextrin, β-cyclodextrin, γ
-Cyclodextrin, glucosyl-β-cyclodextrin, maltosyl-β-cyclodextrin,
Methyl-β-cyclodextrin, hydroxyethyl-β-cyclodextrin and the like can be mentioned. The blending amount thereof is 10% by weight to 90% by weight, preferably 20% by weight to 70% by weight, based on the powdery composition. 10
If it is less than wt%, it cannot be pulverized, or if it can be pulverized, it has poor miscibility with water. If it exceeds 90 wt%, it can be pulverized, but when it is mixed with water, a good emulsion composition cannot be obtained. In addition, the relative amounts of the oily component and the surfactant are reduced, which lowers the commercial value.

In the present invention, a solvent and a pH adjusting agent may be added in addition to the above components.

Examples of the solvent include ethanol, isopropanol, n-propanol, ethylene glycol, propylene glycol, 1,3-butanediol, benzyl alcohol, phenethyl alcohol, phenoxyethanol, glycerin, N-methylpyrrolidone and polyethylene glycol.

PH adjusters include sulfuric acid, nitric acid, phosphoric acid,
Pyrophosphoric acid, acetic acid, lactic acid, citric acid, succinic acid, tartaric acid, malic acid, levulinic acid, and their sodium, potassium and ammonium salts, sodium carbonate, potassium and ammonium salts of carbonic acid, sodium hydroxide, potassium hydroxide, monoethanol. Examples thereof include amine, diethanolamine, triethanolamine, propanolamine, lysine, histidine and arginine.
These pH adjusters may be blended before adding a powdering agent to form a powder, or may be blended after powdering.

Further, in the present invention, if necessary,
For example, moisturizers, antioxidants, antiseptics, sequestering agents, dyes, thickeners, silicones and their derivatives, and fragrances can be added.

Next, a method for producing the powdery composition of the present invention will be described. Usually, the emulsified composition is a method of heating and dissolving the oil component and the surfactant, and then gradually adding water while stirring to emulsify, or heating the oil component, the surfactant and water and stirring to emulsify. It is prepared by the method. The composition of the present invention is produced by adding a powdering agent before emulsifying by adding water in this method, during the emulsification, or after emulsifying, further stirring, and then drying to remove water. Examples of the drying method include warm air drying, spray drying, freeze drying and the like. The composition obtained by drying may be obtained in powder form,
It may also be obtained in a solid state. When it is obtained in a solid state, it can be pulverized into a powdery composition. Further, this solid material can be made into fine particles or granules by adjusting the grinding conditions.
The residual water content after drying is 10% by weight based on the powder composition.
It is preferably 2% by weight or less. If it exceeds 10% by weight, the fluidity of the powdery composition is poor, and the storage stability at high temperature is deteriorated.

Further, the powdery composition of the present invention can be suitably used for the following cosmetics. First, a hair rinse, a hair conditioner using at least one cationic surfactant as a surfactant in the powdery composition of the present invention,
Powder hair cosmetics such as hair treatments and hair lotions. As the cationic surfactant, the above-mentioned cationic surfactant can be used. The composition has the advantages of being lightweight and compact and convenient to carry because a cream or emulsion having an excellent conditioning effect can be easily obtained by adding and mixing an appropriate amount of water at the time of use.

Secondly, a hair dye composition or a decolorizing composition using the powdery composition of the present invention. Examples of the hair dye composition include a permanent hair dye containing an oxidative dye and a semi-permanent hair dye containing a direct dye.

In the permanent hair dye, a two-component system comprising a liquid first agent containing a dye and a liquid second agent containing an oxidizing agent, a powdery first agent containing a dye and a liquid first agent containing an oxidizing agent are used. It is preferably used for a two-component oxidative hair dye consisting of two agents or a powder one-agent oxidative hair dye containing a dye and an oxidizing agent at the same time. That is,
The oxidative hair dyes of these dosage forms are accompanied by the powdery composition of the present invention and mixed at the time of use, or, of these dosage forms, those containing a powdery preparation are powdery of the present invention. By using the composition in a premixed form, the properties of the hair dye coating solution and the feel of the hair after hair dyeing can be improved, and the bleaching power (decolorizing power of melanin pigment) of the hair dye is enhanced. be able to.

In the semi-permanent hair dye, the powdery composition of the present invention is attached to a liquid or gel preparation and mixed at the time of use to give the properties of the hair dye coating solution and the hair after hair dyeing. The feel of can be improved. Furthermore, by directly blending a dye into the powdery composition of the present invention and adding water at the time of use, a dye having poor stability in a solution state can be stabilized.

Next, the decolorizing agent composition is a three-component type consisting of a liquid first agent containing an alkaline agent, a liquid second agent containing an oxidizing agent and a powdery third agent containing an activator, and an alkali. A powdery first agent containing an agent and an activator, and a liquid second agent containing an oxidizing agent
It is preferably used in a two-component system comprising an agent or a one-component system containing an alkali agent, an activator and an oxidizing agent at the same time. That is, the form in which the powdery composition of the present invention is added to the decolorizing composition of these dosage forms and mixed at the time of use, or among these dosage forms containing a powdery formulation, By using the powdered composition in a premixed form, it is possible to improve the properties of the depigmenting agent coating liquid and the feel of the hair after depigmenting, and enhance the bleaching power.

Here, as the dye for the permanent hair dye,
p-phenylenediamine, p-toluylenediamine,
In addition to N, N-bis (2-hydroxyethyl) -p-phenylenediamine, 2,4-diaminophenetol, p-aminophenol, m-aminophenol, their salts, resorcinol and the like, "quasi-drugs" Raw material specifications "
The products listed in (Yakuji Nipposha, published in June 1991) can be used. Peroxides, percarbonates, perborates, as oxidizing agents for permanent hair dyes and depigmenting compositions
Examples thereof include a hydrogen peroxide adduct of sulfate, a hydrogen peroxide adduct of phosphate, and a hydrogen peroxide adduct of pyrophosphate.
Examples of the activator include persulfate. Further, as dyes for semi-permanent hair dyes, azo dyes, carbonium dyes, indigoid dyes, nitro dyes, anthraquinone dyes, benzoquinone dyes, naphthoquinone dyes, quinoline dyes, phthalocyanine dyes, methine dyes, quinoneimine dyes, nitroso dyes, naphthalimide dyes. , And perinone dyes.

[0035]

EXAMPLES Examples of the present invention will be described below.
The invention is not limited to these examples. Production Example 1 Cetostearyl alcohol 5 parts by weight 2-octyldodecanol 3 parts by weight Alkyltrimethylammonium chloride 3.5 parts by weight Glycerin 2 parts by weight Citric acid 0.2 parts by weight Dextrin 5 parts by weight Silicic acid 6 parts by weight β-cyclodextrin 3 parts by weight Purified water 86.3 parts by weight The entire amount was heated to 80 ° C. and stirred to emulsify. Further, the mixture was cooled to room temperature with stirring to prepare an emulsified composition (Comparative Example 1 was prepared in the same manner without blending dextrin, silicic acid and β-cyclodextrin). This emulsion composition was spread on a tray and dried in a warm air dryer at 60 ° C. for 24 hours. The obtained solid composition was pulverized to prepare a powder composition.

Production Example 2 Part A cetostearyl alcohol 8 parts by weight Liquid paraffin 2 parts by weight Polyoxyethylene (10) oleyl ether 15 parts by weight B part Purified water 75 parts by weight C part β-cyclodextrin 40 parts by weight A part 80 Part (B) heated to 80 ° C. is added while stirring to heat and dissolve. Further, the mixture was cooled to room temperature with stirring to prepare an emulsion composition (Comparative Example 2). Part C was added to the obtained emulsified composition and well stirred, and then water was removed by freeze-drying to prepare a powdery composition.

Production Example 3 Part A Cetyl alcohol 5 parts by weight Vaseline 5 parts by weight Stearic acid 2 parts by weight Polyoxyethylene (21) lauryl ether 10 parts by weight Sodium cetyl sulfate 2 parts by weight Distearyldimethylammonium chloride 4 parts by weight Propylene glycol 3 Parts by weight disodium edetate 0.1 parts by weight B parts purified water 68.9 parts by weight C parts maltosyl-β-cyclodextrin 20 parts by weight silicic acid 11 parts by weight A part is heated to 80 ° C. to dissolve and stirred. While adding Part B heated to 80 ° C. The emulsion composition was prepared by cooling to room temperature with stirring (Comparative Example 3). Add part C to this emulsified composition, stir well, spread on a tray and mix at 70 ° C for 2
It was dried for 4 hours. The obtained solid composition was sieved through a 20-mesh sieve to prepare a granular composition.

Production Example 4 Part A Cetyl alcohol 8 parts by weight Stearic acid 2 parts by weight Benzyl alcohol 4 parts by weight Sodium lauryl sulfate 0.5 parts by weight Propylene glycol 3 parts by weight Lactic acid 0.5 parts by weight B part Purified water 82 parts by weight C Parts methyl-β-cyclodextrin 10 parts by weight maltosyl-β-cyclodextrin 15 parts by weight silicic acid 3 parts by weight Part A is heated to 80 ° C. to dissolve, and part B heated to 80 ° C. is added with stirring. An emulsion composition was prepared by cooling to room temperature with stirring (Comparative Example 4). After adding C part to this emulsified composition and stirring well, 400 parts by weight of purified water is added to make a spray liquid, which is sprayed under the conditions of hot air inlet temperature 130 ° C., exhaust temperature 85 ° C., spray liquid feed rate 8 g / sec. A powdery composition was prepared by drying. A stability test was conducted on the powder or granular compositions of Production Examples 1 to 4 and the emulsified compositions of Comparative Examples 1 to 4, and the results are shown in Table 1.

[0039]

[Table 1]

(Note) ○: good (no change to almost no change) × thickening: an increase in viscosity is observed. × Separation: Separation is recognized. Emulsified compositions could be easily obtained from the compositions of Production Examples 1 to 4 by adding and mixing an appropriate amount of water. Also,
An emulsion composition could be obtained by the same method for those stored under the conditions shown in Table 1, and the obtained emulsion composition was not different from that before storage.

Example 1 Hair Treatment 25 g of water was added to 10 g of the powdery composition of Production Example 1 and mixed to prepare an emulsified composition. A good conditioning effect was obtained by applying this composition to shampooed hair and then rinsing with warm water.

Example 2 Powder 1-pack type oxidative hair dye The powdery composition of Production Example 2 was used to prepare the following powder 1-pack type oxidative hair dye. Sodium perborate 32 g Ammonium chloride 10 g Sulfate p-phenylenediamine 8 g Sulfuric acid m-aminophenol 2 g Resorcinol 3 g Powdered composition of Preparation Example 2 40 g Disodium edetate 1 g Carboxymethylcellulose sodium 4 g Total 100 g Water 100 g to the above composition 30 g. In addition, they were mixed to prepare a hair dye coating solution. This coating solution was applied to a human hair bundle containing white hair, left at room temperature for 20 minutes and then washed. The obtained coating liquid was creamy, had good spreadability, and was able to dye gray hair black.

Example 3 Powder two-component oxidative hair dye The following powder hair dye was prepared. Sodium percarbonate 50 g Ammonium monohydrogen phosphate 15 g Sulfate p-toluylenediamine 3 g Sulfate p-aminophenol 0.5 g Sulfate o-aminophenol 1 g Gua gum 24 g Sodium lauryl sulfate 5 g Edetic acid 0.5 g Perfume 1 g Total 100 g The above composition 15 g 10 g of the granular composition of Production Example 3 was added to 100 g of water to prepare a hair dye coating solution.

Comparative Example 5 To 15 g of the powder hair dye of Example 3, 3 g of sodium carboxymethyl cellulose was added, and 100 g of water was added to this to prepare a hair dye coating solution.

Comparative Test Hair of 5 panelists with 30% to 50% of white hair was divided into left and right at the crown, and Example 3 was applied to one side and Comparative Example 5 to the other side. After coating, the coating solution was spread evenly through a comb and left at room temperature for 30 minutes. After standing, the hair of each panelist was thoroughly washed with warm water of 40 ° C. and dried. Table 2 shows the evaluation items and the results.

[0046]

[Table 2]

As described above, Example 3 is different from Comparative Example 5 in that
It is clear that the properties of the coating liquid are excellent, the combability after coating is good, and the operability during hair dyeing is excellent. In addition, since the decolorizing power is enhanced, gray hair and black hair are uniformly dyed, and dyeing is excellent.

Example 4 Semi-permanent Hair Dye The following powdery semi-permanent hair dye was prepared using the powdery composition of Production Example 4. Powdery composition of Production Example 4 46 g Black No. 401 0.5 g Orange No. 205 0.4 g Purple No. 401 0.1 g Total 47 g

Comparative Example 6 The following creamy semi-permanent hair dye was prepared using the emulsified composition of Comparative Example 4. Emulsion composition of Comparative Example 4 100 g Black No. 401 0.5 g Orange No. 205 0.4 g Purple No. 401 0.1 g Total 101 g

Comparative Test The stability of the dyes was compared by conducting a storage test on Example 4 and Comparative Example 6 and comparing the hair dyeing effect before and after storage. However, in Example 4, hair was dyed after mixing with 82 g of water at the time of use. The hair was dyed at room temperature for 20 minutes using goat hair and human hair mixed with white hair. The results are shown in Table 3.

[0051]

[Table 3]

As described above, Example 4 is different from Comparative Example 6 in that
The dye was excellent in stability and did not show any decrease in hair dyeing effect even after long-term storage.

[0053]

The powdery composition of the present invention is light and compact because it does not change over time and does not contain water, and an emulsion composition can be easily obtained by adding water at the time of use. it can. Further, by using it in the hair dye composition or the decolorizing composition, it is possible to enhance the bleaching power and stabilize the dye.

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Claims (5)

[Claims] 1. A powdery composition characterized in that after adding a powdering agent to an emulsified composition comprising an oily component, a surfactant and water, water is removed by drying. 2. An emulsified composition comprising an oily component, a surfactant and water, wherein a powdering agent is added before emulsification, during emulsification or after emulsification and dried. Method. 3. The powdering agent is one or more selected from cyclodextrin and its derivatives, dextrin, and silicic acid.
The powdery composition described. 4. The powdery composition according to claim 1, wherein
A powdery composition for hair cosmetics, which comprises at least one cationic surfactant as a surfactant. 5. A hair dye composition or a decolorizing composition, which comprises the powdery composition according to claim 1.