JP2000212051A - Aerosol product for hair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an aerosol product for hair, comprising an aerosol composition containing an effective liquid and a propellant, inhibiting gloss on the hair, and capable of beautifully showing the hair without being affected by the intensity of light, etc., and without deteriorating the color tone and three- dimensional appearance. SOLUTION: This aerosol product for hair comprises an aerosol composition containing an effective liquid and a propellant. Therein, particles (for example, silica or alumina) in an amount of 10-80 wt.% are contained in a hair-adhering solid content in the aerosol composition. It is preferable that the aerosol composition contains the hair-adhering solid content in an amount of 0.1-20 wt.%. The primary particles of the particles have an average particle diameter of 1-100 nm and a specific surface area of 100-800 m2/g. A resin used for adhering the particles to the hair includes polyvinyl pyrrolidone, and a neutralizing agent for the resin includes 2-amino-methyl-1,3-propanediol.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to an aerosol product for hair. More specifically, the present invention relates to an aerosol product for hair that suppresses radiance on hair and that can be displayed beautifully without impairing the color tone and three-dimensional appearance of hair.

[0002]

2. Description of the Related Art Conventional hair products include a setting agent containing a resin for fixing hair, a polishing agent containing oil components such as fatty acid esters and silicone oil, a polyhydric alcohol and a wax component. There are hair creams, silicone emulsions and treatment agents containing surfactants.

[0003] Conventionally, there have been many people who use these hair products to arrange hair neatly, but in recent years, more and more people want a casual hairstyle that has a three-dimensional appearance.
When a conventional hair product is used in order to maintain such a casual hairstyle, shine is generated depending on the condition (direction and strength) of light, and the flow condition and three-dimensional effect of the hair change in the viewing direction. There is a problem that it does not look beautiful depending on brightness and brightness.

[0004] In recent years, more and more people have changed the color tone of hair by bleaching or dyeing the hair. Examples of such a product for decolorization and dyeing include an oxidized hair dye containing a dye, a two-pack reaction type hair dye, and a product containing a coloring powder such as titanium mica (Japanese Patent Publication No. 4-62294). No.). Even when the color of the hair is changed by these products, the color may look partially different depending on the direction of light, intensity, and the like.

[0005]

DISCLOSURE OF THE INVENTION The present invention has been made in view of the above-mentioned prior art, and suppresses the shine on the hair, and does not depend on the viewing direction or the intensity of light. It is an object of the present invention to provide an aerosol product that can look beautiful without impairing the three-dimensional appearance.

[0006]

SUMMARY OF THE INVENTION The present invention relates to an aerosol product comprising an aerosol composition containing a stock solution and a propellant. % Aerosol products for hair.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION As described above, the hair aerosol product of the present invention comprises an aerosol composition containing a stock solution and a propellant, and a fine powder is added to the hair-adhered solids in the aerosol composition. 10 to 80% by weight.

In the present invention, one of the major features of the present invention is that the fine powder is used. The fine powder is attached to the hair, and the size and surface characteristics of the fine powder are used to scatter incident light. By suppressing the shine on the hair, it is possible to make the hair look beautiful without impairing the color tone and three-dimensional appearance of the hair.

The fine powder refers to an inorganic powder, and specific examples of the fine powder include silica,
Examples include alumina, titanium oxide, zinc oxide, talc, and zeolite.

The average particle diameter of the primary particles of the fine powder is preferably 1 nm or more, preferably 5 nm or more, in consideration of scattering prevention at the time of jetting and adhesion to hair. In order to prevent clogging with a valve or a button, the thickness is desirably 100 nm or less, preferably 80 nm or less.

[0011] Further, the specific surface area of the fine powder is 50 m ² /, taking into account scattering of incident light and prevention of shine.
g or more, preferably 100 m ² / g or more.
m ² / g or less, preferably 800 m ² / g or less.

The aerosol composition constituting the aerosol product for hair of the present invention comprises a stock solution containing the solid matter adhering to hair containing the fine powder and a propellant.

The solid content attached to the hair usually consists of fine powder and a resin for attaching the fine powder to the hair, and the amount of the fine powder in the solid content attached to the hair is determined by making full use of its surface properties.
Considering that the suppression of the shine on the hair is sufficient, the content is 10% by weight or more, preferably 15% by weight or more. , 80% by weight or less, preferably 70% by weight or less.

Representative examples of the resin that causes the fine powder to adhere to hair include polyvinyl pyrrolidone, polyvinyl pyrrolidone-vinyl acetate copolymer, polyvinyl pyrrolidone-vinyl acetate-vinyl propionate copolymer, and polyvinyl pyrrolidone-alkylaminoacrylate. Polyvinylpyrrolidone-based polymer compounds such as copolymers, polyvinylpyrrolidone-acrylate- (meth) acrylic acid copolymers, polyvinylpyrrolidone-alkylaminoacrylate-vinylcaprolactam copolymers; methylvinyl ether-alkyl maleic anhydride half ester copolymer Acid vinyl ether polymer compounds such as coalesce; vinyl acetate-crotonic acid copolymer, vinyl acetate-crotonic acid-
Acidic polyvinyl acetate polymer compounds such as vinyl neodecanoate copolymer and vinyl acetate-crotonic acid-vinyl propionate copolymer; alkyl acrylate copolymer emulsion, (meth) acrylic acid- (meth) acrylate Copolymer, acrylic acid-alkyl acrylate-alkyl acrylamide copolymer, dialkylamino ester (meth) acrylate-alkyl (meth) acrylate copolymer, hydroxypropyl acrylate-butylaminoethyl methacrylate-acrylic acid Acrylic polymers such as octylamide copolymers, octylamide acrylate-hydroxypropyl acrylate-butylaminoethyl methacrylate copolymers; and basic acrylic polymers such as acrylamide / acryl ester quaternary copolymers Child compound; cellulose derivatives such as cationic cellulose derivatives; hydroxypropyl chitosan, carboxymethyl chitin, chitin-chitosan derivatives such as carboxymethyl chitosan; and polyvinyl alcohol.

As the neutralizing agent for the resin, for example, 2-amino-2-methyl-1,3-propanediol (AMPD), 2-amino-2-ethyl-1,3-propanediol (AEPD) , 2-amino-2-methyl-
1-propanol (AMP-95®), 2-amino-1-butanol (AB), monoethanolamine (MEA), diethanolamine (DEA), triethanolamine (TEA), monoisopropanolamine (MIPA), diisopropanol Amine (DIP
A) and amino alcohols such as triisopropanolamine (TIPA).

[0016] The amount of the solid content attached to the hair should be 0.1% by weight or more, preferably 1% by weight or more of the aerosol composition from the viewpoint of sufficiently exhibiting the effect of the fine powder. It is desirable that the aerosol composition be contained in an amount of not more than 20% by weight, preferably not more than 15% by weight, in order to prevent clogging of a valve or a button and to prevent whitening on hair. Is desirable.

In addition to the solid content attached to the hair, various ingredients such as water, alcohol, surfactant, and active ingredient usually used in hair aerosol products can be appropriately added to the stock solution.

The water is, for example, a component used as a solvent for the stock solution. Such water is not particularly limited. For example, purified water such as distilled water and ion-exchanged water can be used.

The amount of water in the undiluted solution is not particularly limited, and may be usually the remaining amount of solids attached to hair and other components.

The alcohol is used not only as a solvent for dissolving a resin or an active ingredient which is insoluble in water, but also for improving the drying property of the composition adhered when sprayed on the hair.

Representative examples of the alcohol include monohydric lower alcohols having 2 to 4 carbon atoms such as ethanol, denatured ethanol, n-propanol, i-propanol, n-butanol and i-butanol.

The amount of alcohol in the stock solution cannot be determined unconditionally because it varies depending on the form of the target aerosol product. %, And in the case of a spray type, the content is preferably 40 to 95% by weight in consideration of the solubility with the active ingredient and the propellant. (Foaming type), the content is preferably 1 to 70% by weight.

The surfactant may be, for example, an emulsifier used for emulsifying a stock solution and a propellant, or a solubilizer for dissolving, or improving the dispersibility of powder such as fine powder in an aerosol composition. It is a component used as a dispersant to be added and a fat additive to give hair suppleness.

Representative examples of the surfactant include anionic surfactants such as carboxylate, sulfonate, sulfate and the like; aliphatic amine salts, aliphatic quaternary ammonium salts, benzalkonium salts, benzethonium chloride , Pyridinium salts, cationic surfactants such as imidazolinium salts; polyoxyethylene alkyl ethers, polyoxyethylene polyoxypropylene alkyl ethers,
Single chain length polyoxyethylene alkyl ether, polyethylene glycol fatty acid ester, polyoxyethylene alkyl phenyl ether, polyoxyethylene sterol ether, polyoxyethylene lanolin derivative, polyoxyethylene-polyoxypropylene block copolymer, glycerin fatty acid ester, decaglycerin Fatty acid esters, polyoxyethylene glycerin fatty acid esters, fatty acid alkylamides, polyoxyethylene castor oil derivatives and hydrogenated castor oil, sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene sorbitol fatty acid esters,
Nonionic surfactants such as silicone polyether copolymers and the like can be mentioned.

The amount of the surfactant in the stock solution is preferably 0.01% by weight or more, and more preferably 0.01% by weight, in consideration of emulsification, solubilization, dispersion of powders such as fine powders, and satisfactory finish. The content is desirably 0.1% by weight or more. For example, considering that the obtained aerosol composition does not increase irritation to the skin, it is preferably 10% by weight.
Or less, preferably 5% by weight or less.

Representative examples of the active ingredient include oils, humectants, water-soluble polymers, ultraviolet absorbers, preservatives,
Examples include active ingredients for hair such as antibacterial agents, pH adjusters, antioxidants, drugs, extracts, and perfumes.

Specific examples of the oil component include the following. Examples of liquid fats and oils include linseed oil, camellia oil, macadamia nut oil, corn oil,
Mink oil, olive oil, avocado oil, sasanqua oil, castor oil, safflower oil, kyonin oil, cinnamon oil, jojoba oil, grape oil, sunflower oil, almond oil, rapeseed oil, sesame oil, wheat germ oil, rice germ oil, rice Nuka oil, cottonseed oil, soybean oil, peanut oil, teaseed oil, evening primrose oil, egg yolk oil, cow foot oil, liver oil, triglycerin, glycerin trioctanoate, pentaerythrit tetraoctanoate, glycerin triisopalmitate, etc. . As solid fats and oils, for example, cacao butter, coconut oil, balm oil, balm kernel oil, tallow, sheep fat, lard, horse fat, hydrogenated oil, hydrogenated castor oil,
Mokuro, shea butter and the like. Examples of waxes include beeswax, candelilla wax, cotton wax, carnauba wax, bayberry wax, ibota wax, whale wax,
Montan wax, bran wax, lanolin, reduced lanolin, hard lanolin, cabock wax, sugar cane wax, jojoba wax, shellac wax and the like.

Examples of the ester oils include octanoic esters such as cetyl octanoate, lauric esters such as hexyl laurate, myristic esters such as isopropyl myristate, octyldodecyl myristate, and palmitic esters such as octyl palmitate. Stearate such as isocetyl stearate, isostearate such as isopropyl isostearate, isopalmitate such as octyl isopalmitate, oleate such as isodecyl oleate, diester adipate such as diisopropyl adipate, diethyl sebacate And diisostearyl malate.

Examples of the hydrocarbon oil include liquid paraffin, ozokerite, squalane, squalene, pristane, paraffin, isoparaffin, ceresin, vaseline, microcrystalline wax and the like.

Examples of the silicone oil include chain silicones such as dimethylpolysiloxane, methylphenylpolysiloxane and methylhydrogenpolysiloxane, and cyclic silicones such as octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane and dodecamethylcyclohexasiloxane. And so on.

Specific examples of the humectant include, for example, polyethylene glycol, propylene glycol, glycerin, 1,3-butylene glycol, diglycerin, collagen, xylitol, sorbitol, maltitol, chondroitin sulfate, hyaluronic acid, mucoitin sulfate, and caronine. Acids, cholesteryl-12-hydroxystearate, sodium lactate, bile salts, dl-pyrrolidone carboxylate, diglycerin (ethylene oxide) propylene oxide adduct, elastin, keratin, casein, lecithin and the like.

Specific examples of the water-soluble polymer include gum arabic, tragacanth, galactan, carob gum, guar gum, karaya gum, carrageenan, pectin, agar, quince seed (quince), starch (rice, corn, potato, wheat). , Plant macromolecules such as arge colloid (brown algae extract), microbial macromolecules such as dextran, succinoglucan, pullulan, animal macromolecules such as collagen, casein, albumin, gelatin, carboxymethyl starch, methylhydroxypropyl starch Such as starch-based polymers,
Cellulose polymers such as methylcellulose, nitrocellulose, ethylcellulose, methylhydroxypropylcellulose, hydroxyethylcellulose, cellulose sodium sulfate, hydroxypropylcellulose, sodium carboxymethylcellulose, crystalline cellulose, cellulose powder, alginic acid such as sodium alginate and propylene glycol alginate Polymers, polyvinyl methyl ether, vinyl polymers such as carboxyvinyl polymer (such as CARBOPOL (registered trademark)), polyoxyethylene polymers, polyoxyethylene polyoxypropylene copolymer polymers, sodium polyacrylate, poly Acrylic polymers such as ethyl acrylate and polyacrylamide, polyethylene imine, Mer, bentonite, aluminum magnesium silicate, laponite, hectorite, and inorganic water-soluble polymers such as anhydrous silicic acid.

Specific examples of the ultraviolet absorber include benzoic acid-based ultraviolet absorbers such as para-aminobenzoic acid, anthranilic acid-based ultraviolet absorbers such as methyl anthranilate, octyl salicylate, phenyl salicylate, and the like.
Salicylic acid ultraviolet absorbers such as homomethyl salicylate, isopropyl paramethoxycinnamate, octyl paramethoxycinnamate, 2-ethylhexyl paramethoxycinnamate, glyceryl mono-2-ethylhexanoate diparamethoxycinnamate, [4 -Bis (trimethylsiloxy)
Methylsilyl-3-methylbutyl] -3,4,5-trimethoxycinnamic acid esters and the like, 2,4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-
Benzophenone ultraviolet absorbers such as 4-methoxybenzophenone-5-sulfonic acid, sodium 2-hydroxy-4-methoxybenzophenone-5-sulfonate, urocanic acid, ethyl urocanate, 2-phenyl-5-
Methylbenzoxazole, 2- (2'-hydroxy-
5'-methylphenyl) benzotriazole, 4-t-
Butyl-4'-methoxybenzoylmethane and the like.

Specific examples of the preservative include, for example, paraoxybenzoate, benzoic acid, sodium benzoate, potassium sorbate, phenoxyethanol and the like.

Specific examples of the antibacterial agent include, for example, benzoic acid, salicylic acid, carboxylic acid, sorbic acid, paraoxybenzoic acid ester, parachloromethcresol, hexachlorophene, benzalkonium chloride, chlorhexidine, trichlorocarbanilide, photosensitive And phenoxyethanol.

Specific examples of the pH adjusting agent include, for example, lactic acid, citric acid, glycolic acid, succinic acid, tartaric acid,
dl-malic acid, potassium carbonate, sodium bicarbonate,
Ammonium bicarbonate and the like.

Specific examples of the antioxidant include, for example, ascorbic acid, α-tocopherol, dibutylhydroxytoluene, butylhydroxyanisole and the like.

Specific examples of the above-mentioned drugs include vitamin A oil, retinol, retinol palmitate, inosit, pyridoxine hydrochloride, benzyl nicotinate, nicotinamide, dl-α-tocopherol nicotinate,
Vitamins such as magnesium ascorbate phosphate, vitamin D ₂ (ergocasiferol), dl-α-tocopherol, dl-α-tocopherol acetate, pantothenic acid, biotin, hormones such as estradiol and ethinylestradiol, arginine, aspartic acid, Amino acids such as cystine, cysteine, methionine, serine, leucine, tryptophan, allantoin,
Glycyrrhetinic acid, anti-inflammatory agent of azulic acid, whitening agent such as arbutin, astringent such as zinc oxide and tannic acid, L
-Cooling agents such as menthol and camphor, sulfur, lysozyme chloride, pyridoxine hydrochloride, γ-oryzanol and the like.

Specific examples of the above-mentioned extract include, for example, asparagus extract, oak extract, melilot extract, odoranthus extract, liquorice extract, peonies extract, bonsai extract, loofah extract, kina extract, saxifrage extract, clara extract, kohone extract, fennel extract Extract, primrose extract, rose extract, pheasant extract, lemon extract, sicon extract, aloe extract,
Shobu root extract, eucalyptus extract, horsetail extract, sage extract, thyme extract, tea extract, seaweed extract, cucumber extract, clove extract, raspberry extract, melissa extract, carrot extract, carrot extract, maronier extract, peach extract, peach extract, mulberry extract, Examples include cornflower extract, hamamelis extract, placenta extract, chest line extract, and silk extract.

The amount of the active ingredient in the undiluted solution is 0.1% by weight or more, preferably 0.5% by weight, considering that the desired effect is sufficiently exhibited in the aerosol composition.
In view of the fact that the above is desirable, and that only the cost is increased and that no sufficient effect can be expected, it is not more than 60% by weight, preferably 50% by weight.
It is desirable that the content be not more than weight%.

The method for preparing the stock solution is not particularly limited, and it may be sufficient to mix the fine powder-containing hair-adhered solid content, which is appropriately adjusted in amount, with the other stock solution components.

The aerosol composition used in the present invention comprises:
It contains a propellant together with the stock solution.

The propellant has a vapor pressure (internal pressure) at 25 ° C. of at least 0.15 MPa · G, preferably 0.15 MPa · G, so that the aerosol composition can be discharged in a satisfactory and satisfactory state. The vapor pressure at 25 ° C. of the aerosol composition can be 1.0 MPa · G or less, especially 0.8 MPa · G or less in consideration of its safety. Preferably, it is

[0044] As the propellant, such as dimethyl ether, liquefied petroleum gas (main component: hydrocarbon having 3 to 5 carbon atoms), difluoro monochloroethane, monochloro difluoromethane, liquefied gases such as hydrofluorocarbons such as tetrafluoroethane; N ₂ , N ₂ O, CO ₂ , and compressed gas such as compressed air. These can be used alone or in combination of two or more.

The ratio of the stock solution and the propellant (a stock solution / propellant (weight ratio)) in the aerosol composition differs depending on the form of the target aerosol product, and cannot be unconditionally determined.

For example, in the case of a foam type, the ratio is preferably 70/30 or more in order to prevent the foam state of the jet from becoming coarse. In consideration of using up the entire amount of the composition and making it possible to jet even at a low temperature, the ratio is preferably 97/3 or less.

For example, in the case of a spray type, when a liquefied gas is used as the propellant, the ratio is preferably 20/80 or more in consideration of the compatibility between the stock solution and the propellant. Considering the feeling of use such as the fineness of fog and the drying property, it is preferably 70/30 or less. Further, in the case of a spray type, in which a compressed gas is used as a propellant, the ratio is preferably 95/5 or more so that the product pressure does not become too high and safety does not decrease. In view of the fact that the composition in the aerosol product is completely used, 9
The ratio is preferably 9.9 / 0.1 or less.

Further, for example, in the case of a spray foam type, the ratio is preferably 50/50 or more so that the sprayed product can be sufficiently foamed on the coating surface, and the aerosol composition is in the form of a mist. It is preferable that the ratio be 85/15 or less in order to inject the liquid into the nozzle.

The method of preparing the aerosol composition is not particularly limited. For example, preferably, the fine powder-containing hair-adhered solids are first charged, and then the other undiluted components are filled in desired amounts into the pressure-resistant container for aerosols. Thereafter, a method of filling the propellant with a desired amount to obtain a composition, or the like can be employed.

For example, the aerosol composition of the present invention can be obtained by filling the aerosol composition in the aerosol pressure-resistant container by a usual method and attaching an aerosol valve and a button.

The pressure-resistant container for aerosol is not particularly limited, and may be a commonly used metal container such as aluminum or tin, a resin container such as polyethylene terephthalate, or a glass container. , Buttons and the like are preferably selected as appropriate according to the product form.

By spraying the aerosol composition from the hair aerosol product of the present invention thus obtained and attaching the fine powder to the hair, the shine on the hair is suppressed,
It can look beautiful without impairing the color tone and three-dimensional appearance of the hair. At this time, the resin constituting the hair-attached solid is dissolved in the aerosol composition, and the adhesiveness to the hair is expressed by the resin. With one fine powder
It is contained in an amount of 0 to 80% by weight.

As described above, the amount of the solid content (solid content) of the hair attached to the aerosol composition is usually 0.1%.
Preferably, it is about 20% by weight.

The form of spraying the aerosol composition is not particularly limited, and the aerosol composition can be satisfactorily discharged in a desired form such as a mist, a rod, a foam, a mud, and a gel. it can.

When the aerosol composition for hair is sprayed on the hair using the aerosol product for hair of the present invention, the fine powder in the solid matter adhered to the hair adheres to the hair and shines on the hair by light scattering. The hair color tone and the three-dimensional appearance are not impaired and can be seen beautifully.

[0056]

Next, the aerosol product for hair of the present invention will be described in more detail with reference to Examples, but the present invention is not limited to only these Examples.

Example 1 (Production of spray type hair aerosol product) A stock solution having the following composition was filled in a pressure resistant container for aerosol (full filling amount: 100 ml), and then a propellant (liquefied petroleum gas) was added to the aerosol. Into a pressure-resistant container (stock solution / propellant (weight ratio) = 50/50) to obtain 50 g of an aerosol composition, to which an aerosol valve and a button are attached to produce an aerosol product for hair spray (product 1). (Internal pressure at 25 ° C .: 0.35 MPa ·
G).

Composition of stock solution (% by weight) Silica 2.0 (trade name: AEROSIL 200, average particle size of primary particles: 12 nm, specific surface area: 200 m ² / g) Vinylpyrrolidone-vinyl acetate copolymer 8.0 (Pure: 50%, neutralized) Cyclic silicone oil 1.0 (Octamethylcyclotetrasiloxane) Denatured ethanol 89.0 (Total) (100.0)

Example 2 (Production of a foam type hair aerosol product) An undiluted solution having the following composition was filled in an aerosol pressure-resistant container (full volume: 100 ml), and then a propellant (liquefied petroleum gas) was added to the aerosol. Into a pressure-resistant container (stock solution / propellant (weight ratio) = 94/6) to obtain 70 g of an aerosol composition, to which an aerosol valve and a button are attached, thereby producing a foam type hair aerosol product (product 2). (Internal pressure at 25 ° C .: 0.45 M
Pa · G).

Composition of stock solution (% by weight) Silica 2.0 (trade name: AEROSIL 200, average particle size of primary particles: 12 nm, specific surface area: 200 m ² / g) Vinylpyrrolidone-vinyl acetate copolymer 8.0 (Pure: 50%, neutralized) Silicone emulsion 1.0 Polyoxyethylene polyoxypropylene cetyl ether 1.0 Denatured ethanol 10.0 Purified water 78.0 (Total) (100.0)

Next, the following tests were carried out using the hair aerosol products 1 and 2 obtained in Examples 1 and 2.

Test Example From the hair aerosol products 1 and 2, the aerosol composition was applied to the hair (product 1) or the hair (product 2) at a distance of 15 cm in a mist (product 1) or foam (product 2). The jet was sprayed for 2 seconds to allow the jet to adhere to the hair. The amount (solid content) of the hair-attached solids in the propellant was 6% by weight, and the amount of silica in the hair-attached solids was 33.3% by weight.
Met.

The treatment of the hair in each test example and comparative test example is as follows.

Test Example 1: Injecting the composition of Product 1 Test Example 2: Injecting the composition of Product 2 Comparative Test Example 1: Untreated Test Example 3: Hair dye (commercial two-pack hair dye (brown ))
Test Example 4: Hair dye (commercial two-pack hair dye (brown))
And then spraying the composition of product 2 Comparative Test Example 2: Dyeing with hair dye (commercial two-pack hair dye (brown))

The irradiation of the hair with a fluorescent lamp and observation of the hair are performed by the following four methods.
Based on these results, the color tone and three-dimensional effect of the hair were evaluated based on the following evaluation criteria.

The hair is irradiated with fluorescent light from vertically above (directly above the head), and the hair is irradiated at an angle of 45 degrees (an angle of 45 degrees with respect to the direction of irradiation of the fluorescent light). Observed.

The hair is irradiated with fluorescent light from vertically above (directly above the head), and the hair is irradiated at an angle of 30 degrees (an angle of 30 degrees with respect to the irradiation direction of the fluorescent light). Observed.

Irradiating the hair with fluorescent light at an angle of 45 degrees with respect to the hair (an angle of 45 degrees with respect to the vertical direction of the head);
Observation was made at an angle of 45 degrees with respect to the hair (an angle of 45 degrees on the opposite side to the light irradiation with respect to the vertical direction of the head).

The hair is irradiated with fluorescent light at an angle of 45 degrees with respect to the hair (an angle of 45 degrees with respect to the vertical direction of the head).
Observation was made from an angle of 30 degrees with respect to the hair (an angle of 30 degrees on the opposite side to the light irradiation with respect to the vertical direction of the head).

(Evaluation Criteria) (a) Color Tone ：: There is no shine and the color tone is uniform as a whole. ×: Reflection due to shine is observed in part, and the color tone is non-uniform.

(B) Three-dimensional feeling ：: The flow of hair is not impaired. ×: The appearance of hair flow was impaired due to shine.

Table 1 shows the results.

[0073]

[Table 1]

From the results shown in Table 1, when the products 1 and 2 of the present invention were used (Test Examples 1 to 4), they were untreated (Comparative Test Example 1) or Unlike the case of only the treatment (Comparative Test Example 2), it can be seen that irrespective of the presence or absence of dyeing with the hair dye, the shine on the hair is suppressed, and the color tone and the three-dimensional appearance of the hair are maintained beautifully. .

[0075]

According to the aerosol product for hair of the present invention, it is possible to suppress the shine on the hair and make the hair look beautiful without impairing the color tone and the three-dimensional appearance of the hair.

Claims (3)

[Claims] 1. An aerosol product comprising an aerosol composition containing a stock solution and a propellant, wherein a fine powder is contained in a hair-adhered solid content of the aerosol composition in an amount of 10 to 80% by weight. Aerosol products for hair. 2. The hair aerosol product according to claim 1, wherein the aerosol composition contains 0.1 to 20% by weight of a solid content attached to the hair. 3. The average particle diameter of primary particles of fine powder is 1 to 1.
The hair aerosol product according to claim 1, which has a thickness of 00 nm.