JPH1036228A - Hair cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prepare a hair cosmetic, excellent in persistence of a perfume even after use by washing away, touch feeling such as slipperiness and smoothness, etc., of hair by combining a specific silicone elastomer particulate powder with a water-insoluble oil agent and a perfume. SOLUTION: This hair cosmetic comprises (A) a silicone elastomer particle powder, swellable with an oil agent, insoluble therein and having 1-100μm, especially preferably 0.5-10μm average particle diameter, (B) a water-insoluble oil agent absorbable in the ingredient A and (C) a perfume soluble in the ingredient B. The hair cosmetic is used by washing away in the same manner as that of a shampoo, a rinse, etc. Methylpolysiloxane having a cross-linked structure and its amino-modified methylpolysiloxane are preferred as the powder of the ingredient A. The amount of the blended ingredient A in the total composition is preferably 0.01-10wt.%, especially preferably 0.05-2wt.%. A silicone derivative or a volatile oil agent having <=50,000cSt viscosity at 20 deg.C is preferred as the ingredient B. The amount thereof blended is preferably 0.1-20wt.%, especially preferably 0.5-10wt.% on the total composition.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hair cosmetic of the type which can be used after washing, such as a shampoo or a rinse, which is excellent in persistence of perfume and has a good feel to hair.

[0002]

2. Description of the Related Art Many cosmetics contain a fragrance. This fragrance plays an important role, for example, by giving the cosmetics a rich fragrance to bring out the attractiveness of the user, and by making the masking effect more comfortable to use. As described above, the fragrance affects the feeling of use and the effect of the product, and has a great physiological and psychological effect. Therefore, the fragrance used is required to have excellent sustainability.

[0003] Fragrances are also incorporated in hair cosmetics of the type that can be washed away, such as shampoos and rinses, so that the fragrance is required to be maintained even after use. However, in these hair cosmetics, the fragrance hardly remains on the hair due to the use form of washing away, and it was difficult to maintain the fragrance after use.

[0004]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a hair cosmetic which maintains its scent even after it has been washed away and used.

[0005]

Under such circumstances, the present inventors have conducted intensive studies, and as a result, a hair cosmetic containing a combination of a specific silicone elastomer fine particle powder, a water-insoluble oil agent and a fragrance has been washed out. The present invention was found to be excellent in persistence of the fragrance even after use, and also to have good feeling such as slipping and smoothness of the hair.

That is, the present invention provides the following component (A):
(B) and (C): (A) Silicone elastomer fine particle powder having an average particle diameter of 0.1 to 100 μm that swells with an oil agent and does not dissolve in the oil agent, and (B) non-water-soluble absorbed by component (A) Oil agent,
(C) A hair cosmetic which contains a fragrance dissolved in the component (B) and is used by washing away.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The silicone elastomer fine particles of the component (A) used in the present invention swell with an oil agent,
And it is necessary that it does not dissolve in the oil agent. Here, swelling with an oil agent means that the volume of the fine particle powder is increased to 110% or more by permeation and absorption of the oil agent into the fine particle powder. When immersed at 25 ° C. for 24 hours, it does not dissolve transparently and exhibits a particle shape.

[0008] The fine particle powder has an average particle diameter of 0.1.
１００100 μm, preferably 0.1 μm.
It is 5 to 20 μm, particularly preferably 0.5 to 10 μm. When the thickness is less than 0.1 μm, the slipperiness of the hair deteriorates,
If it exceeds 0 μm, the amount of fine particles adsorbed on the hair becomes small, and the scent persistence and the conditioning effect cannot be sufficiently obtained. Here, the average particle size is measured by an electron microscope method.

As the fine particles of silicone elastomer fine particles, for example, a crosslinked structure obtained by polymerizing or copolymerizing one or more of methylhydrogenpolysiloxane, methylvinylpolysiloxane and α, ω-divinyldimethylpolysiloxane is used. Methylpolysiloxane having,
And derivatives thereof. Here, as the derivative of the methylpolysiloxane, amino-modified methylpolysiloxane, phenyl-modified methylpolysiloxane and the like can be mentioned. Among them, the above-mentioned polymerized or copolymerized methylpolysiloxane and its amino-modified methylpolysiloxane are preferred from the viewpoints of sustainability of perfume, adsorptivity to hair, and lubricity.

As the fine particles of silicone elastomer fine particles, for example, Trefil E-500, E-501,
E-600, E-602, E-850, E-730S
(The above is manufactured by Dow Corning Toray), KMP594
Commercial products such as (Shin-Etsu Chemical Co., Ltd.) can also be used.

The silicone elastomer fine particle powder of the component (A) can be used alone or in combination of two or more kinds. It is preferable to mix the fragrance in an amount of from 0.5 to 2% by weight from the viewpoints of persistence of the flavor and feeling after drying.

The water-insoluble oil agent of the component (B) used in the present invention is for absorbing and swelling the silicone elastomer of the component (A). Must be absorbed by Here, being absorbed by the component (A) means having permeability to the component (A), and being insoluble in water means having a solubility in water of 1 g / 1000 ml or less.

The water-insoluble oil agent is not particularly limited as long as it is generally used for cosmetics and the like, and may be any of mineral oil agents, vegetable oil agents, synthetic oil agents, and the like. Hydrogen oil; vegetable oils such as avocado oil, camellia oil, olive oil and jojoba oil; oleic acid,
Fatty acids such as isostearic acid; vaseline; lanolin; silicone derivatives such as dimethylpolysiloxane, methylphenylpolysiloxane, polyether-modified silicone, amino-modified silicone, and alkyl-modified silicone.

Among them, the viscosity at 20 ° C. is 50
000cs or less, especially 0.5 to 10000cs, further 1 to 5
A 000 cs silicone derivative is preferred. Here, the viscosity is measured by a B-type viscometer. In addition, isoparaffin, cyclosiloxane (tetramer or pentamer), viscosity 1cs
The following volatile oils such as dimethylpolysiloxane are preferred. Here, “volatile” means having a measurable vapor pressure.

The water-insoluble oil component (B) may be one or two
More than one species may be used in combination, with 0.1% being present in the total composition.
It is preferable to mix 1 to 20% by weight, especially 0.5 to 1% by weight.
The addition of 0% by weight is preferable because it gives the dried hair an excellent feel.

The fragrance of the component (C) used in the present invention is:
It is necessary to dissolve in the water-insoluble oil component (B). Here, dissolving in the component (B) means that the components (B) and (C) are mixed to form a uniform solution.

The fragrance of the component (C) is not particularly limited as long as it is generally used for cosmetics and the like.
Any of synthetic fragrances and compounded fragrances may be used, for example, alcohols such as linalool; ketones such as benzophenone;
Aldehydes such as silanol; esters such as linalyl acetate; hydrocarbons such as limonene; and synthetic musk-based flavors such as cyclopentadecanolide.
These are used alone or in combination of two or more.

The fragrance of the component (C) is contained in the total composition in an amount of from 0.1 to 0.1%.
It is preferable to mix 5% by weight, especially 0.2 to 2% by weight.
It is preferable to mix the fragrance because the fragrance has good persistence.

The hair cosmetic composition of the present invention can further contain a highly polymerized methylpolysiloxane to further improve the feel of the hair and adsorb the fine particle powder of the component (A) to the hair. preferable. As such a highly polymerized methylpolysiloxane, those having a viscosity at 20 ° C. of 1,000,000 to 50,000,000 cs, particularly 5,000,000 to 30,000,000 cs, as measured by a B-type viscometer are preferable. When a highly polymerized methylpolysiloxane is blended, 0.1% of the total composition is used.
It is preferable to add 1 to 20% by weight, particularly 0.5 to 10% by weight.

In addition to the above-mentioned components, the hair cosmetics of the present invention contain components that are blended with ordinary cosmetics and the like, such as surfactants; silicone derivatives; anti-dandruff agents, bactericides, and pharmaceutically active agents such as vitamins; Preservatives such as parabens; thickeners such as perfluoropolyethers and water-soluble polymers; coloring agents such as dyes and pigments; conditioning agents such as cationic polymers; pearlizing agents such as glycol esters;・ Conditioning Rinsing Ingredients [ENCYCLOPEDIA OF CONDITIONIG RINSE INGR
EDIENTS (MICELLE PRESS, 1987)] can be appropriately blended as long as the effects of the present invention are not impaired.

The hair cosmetic of the present invention may be manufactured according to a conventional method. For example, in the case of a shampoo composition, a water-insoluble oil agent and a fragrance are mixed until uniform, and fine particles of silicone elastomer are added thereto. After dispersion, a method of charging and stirring into a homogeneous mixed solution of other components, and the like, and in the case of a hair conditioner composition,
After mixing the water-insoluble oil and perfume until uniform, and dispersing the silicone elastomer fine particles there,
A method of dissolving and dispersing by heating to 70 ° C. together with components other than purified water, adding this to purified water heated to 70 ° C., stirring and emulsifying, and then cooling to room temperature with stirring is mentioned.

Further, the hair cosmetic of the present invention can be applied as a hair cosmetic of a type to be washed out and used, such as a shampoo, a rinse, a rinse-in shampoo, a hair treatment, and a hair conditioner.

[0023]

According to the hair cosmetic of the present invention, the silicone elastomer fine particle powder is easily adsorbed on the hair by absorbing the water-insoluble oil in which the fragrance is dissolved and swelling.
Since the fragrance remains on the hair even after being used after being washed away, the fragrance is excellent in persistence. In addition, since the swollen fine particle powder is adsorbed on the hair, the feel of the hair such as slippage and smoothness is good.

[0024]

EXAMPLES Next, the present invention will be further described with reference to examples, but the present invention is not limited to these examples.

Example 1 A shampoo having the composition shown in Table 1 was produced, and the feel and residual scent of hair when used were evaluated. Table 1 shows the results.

(Evaluation method) (1) Feeling of hair: Hair bundle made from human hair (weight: about 3)
(0 g, length: about 25 cm), about 2 g of shampoo was applied, the hair was washed, rinsed, and then the water was sufficiently wiped off with a towel. Thereafter, the hair was sufficiently dried with a dryer, and the slip and smoothness of the hair were evaluated according to the following criteria. ：: Very good. ：: good. Δ: Neither can be said. ×: Bad.

(2) Permanence: about 2 g of shampoo is added to a hair bundle (weight: about 30 g, length: about 25 cm) made from human hair.
g, and the hair was washed and rinsed, and the water was sufficiently wiped off with a towel. This was placed in an environment at a room temperature of about 20 ° C. and a humidity of 30% RH. Immediately after the treatment, the fragrance at 1 hour, 6 hours and 24 hours after was evaluated according to the following criteria. ：: Very good. ：: good. Δ: Neither can be said. ×: Bad.

[0028]

[Table 1]

[0029]

Table 2 Perfume Phenylethyl alcohol 0.40 Geraniol 0.10 cis-3-hexenol 0.01 Coumarin 0.02 Linalool 0.02 Pearlride 0.15 0.70

As is clear from the results shown in Table 1, all of the shampoos of the present invention have excellent hair feel and
The fragrance lasted for a long time.

Example 2 (Shampoo) A shampoo having the following composition was produced.

Table 3 (Components) (% by weight) (1) Sodium polyoxyethylene lauryl ether sulfate (EO = 3) 15.0 (2) Lauric acid diethanolamide 3.0 (3) Dimethyl polysiloxane (200cs) 0 (4) Liquid paraffin (Hycor K-230, manufactured by Showa Kosan Co., Ltd.) 0.5 (5) Silicone elastomer fine particle powder (Trefill E-500, average particle size 3 μm, manufactured by Dow Corning Toray) 2.0 ( 6) Fragrance (of the same composition as in Example 1) 0.5 (7) Purified water Balance 100.0

Example 3 (Shampoo) A shampoo having the following composition was produced.

(Components) (% by weight) (1) Sodium polyoxyethylene lauryl ether sulfate (EO = 3) 10.0 (2) Disodium polyoxyethylene lauryl sulfosuccinate (EO = 3) 3.0 (3) ) Lauric acid diethanolamide 3.0 (4) Amidopropyl betaine 2.0 (5) Cationic polymer (Mercoat 550, manufactured by Merck) 0.3 (6) Methylphenylpolysiloxane (KF54, manufactured by Shin-Etsu Chemical Co., Ltd.) 1.0 (7) Highly polymerized methylpolysiloxane (20 million cs) 1.0 (8) Silicone elastomer fine particle powder (Trefill E-501, average particle size 10 μm, manufactured by Dow Corning Toray) 1.0 (9) ) Fragrance (of the same composition as in Example 1) 0.5 (10) Purified water Balance 100.0

Example 4 (Hair Conditioner) A hair conditioner having the following composition was produced.

(Table 5) (Components) (% by weight) (1) Stearyl trimethylammonium chloride 2.0 (2) Cetanol 3.0 (3) Adsorbed and purified lanolin 0.5 (4) Isostearyl monoglyceride 0.3 (5) Hydroxy Ethylcellulose 0.3 (6) Light liquid isoparaffin 0.5 (7) Silicone elastomer fine particle powder (Trefil E-500, average particle size 3 μm, manufactured by Dow Corning Toray) 1.0 (8) Fragrance (Example 1) 0.3 (9) Purified water balance 100.0

Example 5 (Hair conditioner) A hair conditioner having the following composition was produced.

(Ingredient) (% by weight) (1) Stearyl trimethyl ammonium chloride 2.0 (2) Alkyl trimethyl ammonium chloride 1.0 (3) Cetanol 5.0 (4) Adsorbed and purified lanolin 0.5 (5) Highly polymerized methyl polysiloxane (20 million cs) 1.0 (6) Dimethyl polysiloxane (200 cs) 2.0 (7) Hydroxyethyl cellulose 0.3 (8) Isopropyl palmitate 0.5 (9) Silicone elastomer fine particle powder (Trefil E-501, average particle size 10 μm, manufactured by Dow Corning Toray) 2.0 (10) Fragrance (of the same composition as in Example 1) 0.3 (11) Purified water Balance 100.0

Each of the hair cosmetics obtained in Examples 2 to 5 maintained a fragrance even after being used after being washed away, and had a good hair feel.

Claims (4)

[Claims] 1. The following components (A), (B) and (C): (A) silicone elastomer fine particles having an average particle size of 0.1 to 100 μm which swell with an oil agent and do not dissolve in the oil agent; A) a water-insoluble oil agent absorbed by the component (A),
(C) A hair cosmetic which contains a fragrance dissolved in the component (B) and is used by washing away. 2. The fine particle powder of the component (A) is obtained by polymerizing or copolymerizing one or more of methylhydrogenpolysiloxane, methylvinylpolysiloxane and α, ω-divinyldimethylpolysiloxane. The hair cosmetic according to claim 1, which is a methylpolysiloxane having a crosslinked structure or a derivative thereof. 3. The hair cosmetic according to claim 1, wherein the water-insoluble oil component (B) is a silicone derivative or a volatile oil agent having a viscosity at 20 ° C. of 50,000 cs or less. 4. The hair cosmetic composition according to claim 1, further comprising a highly polymerized methylpolysiloxane.