JP6851729B2 - UV blocking composition with matte effect and excellent texture - Google Patents

Description

The present invention relates to compositions comprising a combination of specific ingredients, particularly cosmetic compositions for the skin, and cosmetological methods using them.

Many cosmetics contain one or more UV shields to block UV rays. In particular, skin cosmetics usually contain organic and / or inorganic UV shields to protect the skin from UV light. The need for UV care cosmetics is further increasing as various types of damage to the skin, such as wrinkles, caused by UV light are now well recognized.

However, organic UV shields make the skin irritated. Skin shine may emphasize the roughness of the skin. In other words, organic UV shields may make skin roughness, such as pores and wrinkles, more noticeable. Therefore, users of anti-UV products containing organic UV shields want the anti-UV products to have a matte look.

At the same time, skin care products are required to have good texture, such as good spreadability, low film feel, and moisturizing feel after application. There are several powders that have an oil absorbing effect. These powders are used in some skin care products. However, they are also known to give a squeaky sensation as the amount of the above powder increases.

USP5240975 EP-669,323 U.S. Pat. No. 2,463,264 U.S. Pat. No. 5,237,071 U.S. Pat. No. 5,166,355 GB-2,303,549 DE-19,726,184 EP-893,119 WO93 / 04665 DE-19855649 US7470725

ISO 787 / 5-1980 Brinker C.J. and Scherer G.W., Sol-Gel Science, New York, Academic Press, 1990 The Journal of the American Chemical Society, Vol. 60, p. 309, February 1938 ISO 5794/1 (Annex D) Van de Hulst, H.C., "Light Scattering by Small Particles," Chapters 9 and 10, Wiley, New York, 1957. Walter Noll, Chemistry and Technology of Silicones (1968), Academic Press Cosmetics and Toiletries, Vol. 91, January 1976, pp. 27-32, Todd & Byers, Volatile Silicone Fluids for Cosmetics ASTM Standard 445 Annex C

An object of the present invention is to provide a composition capable of providing a UV blocking effect based on an organic UV shielding agent, while providing a matte appearance and excellent texture.

The above purpose is
(a) At least one organic UV shield and
(b) At least one inorganic hydrophobic oil-absorbing powder and
(c) At least one organic hydrophobic oil-absorbing powder,
(d) It can be achieved by a composition comprising at least one hydrophilic oil absorbing powder having an oil absorbing capacity of 100 ml / 100 g or more, preferably 150 ml / 100 g or more, more preferably 200 ml / 100 g or more.

(a) The organic UV shield may be lipophilic.

The amount of (a) organic UV shielding agent in the composition according to the present invention is 3% by mass to 50% by mass, preferably 5% by mass to 40% by mass, and more preferably 10% by mass with respect to the total mass of the composition. Can be from 30% by mass.

(b) The inorganic hydrophobic oil-absorbing powder can be selected from the group consisting of hydrophobic silica, particularly silylated silica, and mixtures thereof.

The amount of (b) inorganic hydrophobic oil-absorbing powder in the composition according to the present invention is 0.01% by mass to 10% by mass, preferably 0.05% by mass to 5% by mass, and more preferably 0.1% by mass with respect to the total mass of the composition. It can be from% to 1% by mass.

(c) Organic hydrophobic oil-absorbing powders include polyamide (especially nylon-6) powders, acrylic polymers, especially polymethylmethacrylate, polymethylmethacrylate / ethyleneglycoldimethacrylate, allylpolymethacrylate / ethyleneglycoldimethacrylate, Alternatively, it can be selected from the group consisting of powders of ethylene glycol dimethacrylate / lauryl methacrylate copolymer, and mixtures thereof.

The amount of (c) organic hydrophobic oil-absorbing powder in the composition according to the present invention is 0.01% by mass to 20% by mass, preferably 0.05% by mass to 10% by mass, and more preferably 0.1% by mass with respect to the total mass of the composition. It can be from% to 1% by mass.

(d) The hydrophilic oil-absorbing powder may contain cellulose, silica, silicate, pearlite, magnesium carbonate, magnesium hydroxide, derivatives thereof, or a mixture thereof.

The amount of the (d) hydrophilic oil absorbing powder in the composition according to the present invention is 0.01% by mass to 20% by mass, preferably 0.05% by mass to 10% by mass, and more preferably 0.1% by mass with respect to the total mass of the composition. Can be from 1% by mass.

The composition according to the present invention may further contain (a) at least one oil other than (a) an organic UV shielding agent.

The amount of (e) oil in the composition according to the present invention is 0.01% by mass to 25% by mass, preferably 0.1% by mass to 20% by mass, and more preferably 1% by mass to 15% by mass with respect to the total mass of the composition. Can be%.

The composition according to the present invention may further contain (f) water.

The amount of (f) water in the composition according to the present invention is 20% by mass to 80% by mass, preferably 30% by mass to 70% by mass, more preferably 40% by mass to 60% by mass, based on the total mass of the composition. Can be%.

The present invention also relates to a cosmetological method for a keratin substance, preferably skin, comprising the step of applying the composition according to the invention to the keratin substance.

As a result of diligent studies, the present inventors can provide a composition capable of providing a UV blocking effect based on an organic UV shielding agent, while providing a matte appearance and an excellent texture. I found that there is.

Therefore, the composition according to the present invention
(a) At least one organic UV shield and
(b) At least one inorganic hydrophobic oil-absorbing powder and
(c) At least one organic hydrophobic oil-absorbing powder,
(d) Includes at least one hydrophilic oil-absorbing powder having an oil-absorbing ability of 100 ml / 100 g or more, preferably 150 ml / 100 g or more, more preferably 200 ml / 100 g or more.

According to the present invention, (a) an organic UV blocking agent can be used to bring about a UV blocking effect, but (a) the organic UV blocking agent alone may have the property of moisturizing the skin. ..

Since the composition according to the present invention contains the combination of the above-mentioned specific components (b) to (d), the composition contains (a) an organic UV shielding agent, but provides a matte appearance and an excellent texture. Can be done.

The composition according to the invention is squeaky even if the amount of the above components (b) to (d) is increased due to the combination of the above carefully selected specific components (b) to (d). Does not bring such a feeling.

When the composition according to the present invention further contains (e) oil and / or (f) water other than (a) organic UV shielding agent, good elongation, low film feeling, and moisturizing feeling after application are further improved. Can be done. Therefore, the composition according to the present invention is preferably in the form of an emulsion.

Hereinafter, the composition according to the present invention will be described in detail.

[Organic UV shield]
The composition according to the invention comprises at least one (a) organic UV shielding agent. When two or more (a) organic UV shields are used, they may be the same or different, preferably the same.

The (a) organic UV shield used in the present invention can be active in the UV-A and / or UV-B regions. (a) The organic UV shield can be hydrophilic and / or lipophilic, preferably lipophilic.

(a) The organic UV shield can be solid or liquid. The terms "solid" and "liquid" mean solids and liquids at 25 ° C below 1 atm, respectively.

(a) Organic UV shielding agents include anthranyl acid compounds; dibenzoylmethane compounds; silicic acid compounds; salicylic acid compounds; camphor compounds; benzophenone compounds; β, β-diphenyl acrylate compounds; triazine compounds; benzotriazole compounds; benzalmalo. Nate compounds; benzoimidazoline compounds; imidazoline compounds; bis-benzoazolyl compounds; p-aminobenzoic acid (PABA) compounds; methylenebis (hydroxyphenylbenzotriazole) compounds; benzoxazole compounds; shielding polymers and shielding silicones; α-alkylstyrene It can be selected from the group consisting of dimers derived from; 4,4-diarylbutadiene compounds; and mixtures thereof.

(a) Examples of organic UV shielding agents include those indicated by their INCI names below and mixtures thereof.
--Anthranilic acid compound: Menthyl anthranilic acid marketed by Haarmann and Reimer under the trademark "Neo Heliopan MA".
--Dibenzoylmethane compounds: Butylmethoxydibenzoylmethane, especially marketed by Hoffmann-La Roche under the trademark "Parsol 1789"; and isopropyldibenzoylmethane.
--Cinnamic acid compounds: Ethylhexyl methoxycinnamate marketed under the trademark "Parsol MCX" by Hoffmann-La Roche; isopropyl methoxycinnamate; isopropoxy methoxycinnamate; "Neo" by Haarmann and Reimer Isoamyl methoxycinnamate commercially available under the trademark Heliopan E 1000; sinoxate (2-ethoxyethyl-4-methoxycinnamate); DEA methoxycinnamate; diisopropyl methyl cinnamate; and ethylhexanoic acid dimethoxycinnamate Glyceryl.
--Salicylic acid compounds: Homosalate (homomentyl salicylate) marketed by Rona / EM Industries under the trademark "Eusolex HMS"; ethylhexyl salicylate marketed by Haarmann and Reimer under the trademark "Neo Heliopan OS"; glycol salicylate; Butyl octyl salicylate; phenyl salicylate; dipropylene glycol salicylate marketed by Scher under the trademark "Dipsal"; and TEA salicylate marketed by Haarmann and Reimer under the trademark "Neo Heliopan TS".
--Camful compounds, especially benzylidene camphor derivatives: 3-Benzylidene camphor manufactured by Chimex under the trademark "Mexoryl SD"; 4-Methylbenzylene camphor marketed by Merck under the trademark "Eusolex 6300"; Chimex Benzylidene canfursulfonic acid manufactured under the trademark "Mexoryl SL" by Chimex; Camfurbenzalconium metosulfate manufactured under the trademark "Mexoryl SO" by Chimex; Manufactured under the trademark "Mexoryl SX" by Chimex Terephthalylidenedicanfur sulfonic acid; and polyacrylamide methylbenzylidenecanfur manufactured under the trademark "Mexoryl SW" by Chimex.
--Benzophenone compounds: Benzophenone-1 (2,4-dihydroxybenzophenone) marketed by BASF under the trademark "Uvinul 400"; Benzophenone-2 (tetrahydroxy) marketed by BASF under the brand "Uvinul D50"Benzophenone); Benzophenone-3 (2-hydroxy-4-methoxybenzophenone) marketed by BASF under the trademark "Uvinul M40" or oxybenzophenone; Benzophenone-4 marketed by BASF under the brand "Uvinul MS40" (Hydroxymethoxybenzophenone sulfonic acid); Benzophenone-5 (sodium hydroxymethoxybenzophenone sulfonate); Benzophenone-6 (dihydroxydimethoxybenzophenone) marketed under the trademark "Helisorb 11" by Norquay; "Spectra-" by American Cyanamid. Benzophenone-8 marketed under the trademark "Sorb UV-24"; Benzophenone-9 (dihydroxydimethoxybenzophenone dissulfonate) marketed by BASF under the brand name "Uvinul DS-49"; Benzophenone-12, and n-hexyl 2- (4-diethylamino-2-hydroxybenzoyl) benzoate (UVINUL A + by BASF).
—— β, β-diphenylacrylate compounds: Octocrylene, especially marketed by BASF under the trademark “Uvinul N539”; and especially octocrylene marketed by BASF under the trademark “Uvinul N35”.
--Triazine Compounds: diethylhexylbutamidotriazone marketed by Sigma 3V under the trademark "Uvasorb HEB"; 2,4,6-tris (dineopentyl 4'-aminobenzalmaronate)-s-triazine, Ciba Bis-ethylhexyloxyphenol methoxyphenyltriazine, marketed by Geigy under the trademark "TINOSORB S", and ethylhexyltriazine, marketed by BASF under the brand "UVINUL T150".
--Benzotriazole compounds, especially phenylbenzotriazole derivatives: branched and linear 2- (2H-benzotriazole-2-yl) -6-dodecyl-4-methylpheno, as described in USP5240975.
--Benzalmalonate compounds: Dineopentyl 4'-Methoxybenzalmalonate, and polyorganosiloxanes containing benzalmalonate functional groups, such as polysilicone marketed by Hoffmann-La Roche under the trademark "Parsol SLX"- 15.
--Benzimidazole compounds, especially phenylbenzimidazole derivatives: Phenylbenzoimidazole sulfonic acid, especially marketed by Merck under the trademark "Eusolex 232", and Haarmann and Reimer, marketed under the trademark "Neo Heliopan AP". Phenyldibenzimidazole disodium tetrasulfonate.
--Imidazolines compound: Ethylhexyldimethoxybenzylidene dioxoimidazoline propionate.
--Bis-benzoazolyl compounds: Derivatives described in EP-669,323 and US Pat. No. 2,463,264.
--Para-aminobenzoic acid compounds: PABA (p-aminobenzoic acid), ethyl PABA, ethyldihydroxypropyl PABA, dimethyl PABA pentyl, especially dimethyl PABA ethylhexyl, glyceryl PABA marketed by ISP under the trademark "Escalol 507" , And PEG-25 PABA marketed by BASF under the trademark "Uvinul P25".
--Methylenebis- (hydroxyphenylbenzotriazole) compounds, eg, 2,2'-methylenebis [6- (2H-benzotriazole-2-yl), marketed in solid form under the trademark "Mixxim BB / 200" by Fairmount Chemical. ) -4-Methyl-phenol], marketed in pulverized form in aqueous dispersions under the trademark "Tinosorb M" by BASF or under the trademark "Mixxim BB / 100" by Fairmount Chemical 2,2 '-Methylenebis [6- (2H-benzotriazole-2-yl) -4- (1,1,3,3-tetramethylbutyl) phenol], and US Pat. Nos. 5,237,071 and 5,166,355, GB-2,303,549, Derivatives described in DE-19,726,184 and EP-893,119, as well as the doro marketed under the "Silatrizole" trademark by Rhodia Chimie or under the "Mexoryl XL" trademark by L'Oreal, as described below. Metricol trisiloxane.

--Benzoxazole compounds: 2,4-bis [5-1 (dimethylpropyl) benzoxazole-2-yl- (4-phenyl) imino] -6- (2) marketed by Sigma 3V under the Uvasorb K2A trademark. -Ethylhexyl) imino-1,3,5-triazine.
--Shielding Polymers and Shielding Silicones: Silicones described in WO 93/04665.
--Dimer derived from α-alkylstyrene: The dimer described in DE-19855649.
--4,4-Diarylbutadiene compound: 1,1-dicarboxy (2,2'-dimethylpropyl) -4,4-diphenylbutadiene.

(a) The organic UV shield is preferably selected from the group consisting of:
Butylmethoxydibenzoylmethane, ethylhexyl methoxycinnamate, homosalate, ethylhexyl salicylate, octocrylene, phenylbenzoimidazole sulfonic acid, benzophenone-3, benzophenone-4, benzophenone-5, n-hexyl 2- (4-diethylamino-2-hydroxy) Benoxyl) benzoate, 1,1'-(1,4-piperazindiyl) bis [1- [2- [4- (diethylamino) -2-hydroxybenzoyl] phenyl] -methanone, 4-methylbenzylenecanfur, terephthalili Dendicanflusulfonic acid, phenyldibenzoimidazole disodium tetrasulfonate, ethylhexyltriazone, bis-ethylhexyloxyphenolmethoxyphenyltriazine, diethylhexylbutamidotriazone, 2,4,6-tris (dineopentyl 4'-aminobenzalmalo) Nate)-s-triazine, 2,4,6-tris (diisobutyl 4'-aminobenzalmalonate)-s-triazine, 2,4-bis- (n-butyl 4'-aminobenzalmalonate)- 6-[(3- {1,3,3,3-tetramethyl-1-[(trimethylsilyloxy] -disyloxanyl} propyl) amino] -s-triazine, 2,4,6-tris- (diphenyl) -triazine , 2,4,6-Tris- (terphenyl) -triazine, methylenebis-benzotriazolyltetramethylbutylphenol, drometrizoletrisiloxane, polysilicone-15, dineopentyl 4'-methoxybenzalmalonate, 1,1 -Dicarboxy (2,2'-dimethylpropyl) -4,4-diphenylbutadiene, 2,4-bis [5-1 (dimethylpropyl) benzoxazole-2-yl- (4-phenyl) imino] -6- (2-Ethylhexyl) imino-1,3,5-triazine, camflubenzalconium metosulfate, and mixtures thereof.

The composition according to the present invention comprises (a) an organic UV shielding agent in the range of 3% by mass to 50% by mass, preferably in the range of 5% by mass to 40% by mass, more preferably 10 by mass, based on the total mass of the composition. It may be contained in an amount in the range of mass% to 30% by mass, more preferably in the range of 10% by mass to 20% by mass.

[Inorganic hydrophobic oil absorbing powder]
The composition according to the invention comprises at least one (b) inorganic hydrophobic oil absorbing powder. When two or more (b) inorganic hydrophobic oil absorbing powders are used, they may be the same or different.

(b) The inorganic hydrophobic oil-absorbing powder can absorb (and / or adsorb) oils or liquid fatty substances, such as sebum (from the skin).

(b) Inorganic hydrophobic oil absorbing powder is in the form of particles. (b) The (primary) particle size of the inorganic hydrophobic oil absorbing powder can be 0.01 to 100 μm, preferably 0.05 to 70 μm, and more preferably 0.1 to 50 μm. The (primary) particle size can be measured, for example, by extracting and measuring from a photographic image obtained by SEM or the like, or by using a particle size analyzer, for example, a laser diffraction particle size analyzer. It is preferable to use a particle size analyzer, for example, a laser diffraction particle size analyzer. In this case, the (primary) particle size is the number average (primary) particle size.

For the purposes of the present invention, the term "hydrophobic" oil-absorbing powder means that the powder (or particles) are individually dispersed in the oily phase without forming aggregates.

This (b) inorganic hydrophobic oil-absorbing powder can be present in the fatty phase of the composition if the composition according to the invention contains an oily component capable of forming a fatty phase.

(b) The inorganic hydrophobic oil-absorbing powder is preferably porous particles, particularly porous spherical particles.

(b) The oil absorption capacity of the inorganic hydrophobic oil absorption powder is not limited. (b) The inorganic hydrophobic oil absorbing powder has an oil absorbing capacity of 100 ml / 100 g or more, preferably 150 ml / 100 g or more, more preferably 200 ml / 100 g or more, further preferably 250 ml / 100 g or more, and particularly preferably 300 ml / 100 g or more. Is preferable.

(b) The inorganic hydrophobic oil-absorbing powder can have an oil-absorbing capacity in the range of 100 ml / 100 g to 2000 ml / 100 g, preferably 100 ml / 100 g to 1500 ml / 100 g, and more preferably 100 ml / 100 g to 1000 ml / 100 g. Further, (b) the inorganic hydrophobic oil absorbing powder can have an oil absorbing capacity in the range of 150 ml / 100 g to 2000 ml / 100 g, preferably 150 ml / 100 g to 1500 ml / 100 g, and more preferably 150 ml / 100 g to 1000 ml / 100 g. .. Further, (b) the inorganic hydrophobic oil absorbing powder can have an oil absorbing capacity in the range of 200 ml / 100 g to 2000 ml / 100 g, preferably 200 ml / 100 g to 1500 ml / 100 g, and more preferably 200 ml / 100 g to 1200 ml / 100 g. ..

(b) The amount of oil absorbed (and / or adsorbed) by the inorganic hydrophobic oil absorbing powder can be characterized by measuring the wetting point according to the method below. The oil absorption capacity measured at the wet point, marked Wp, corresponds to the amount of oil that needs to be added to 100 g of particles to obtain a homogeneous paste.

The amount of oil absorbed (and / or adsorbed) can be measured according to the method described in Standard ISO 787 / 5-1980 for determining the amount of powder oil uptake. This corresponds to the amount of oil absorbed / adsorbed on the available surface of the powder as measured by the wetting point.

A quantity between about 0.5 g and about 5 g (in grams) of (b) inorganic hydrophobic oil-absorbing powder (this amount depends on the density of (b) inorganic hydrophobic oil-absorbing powder, but is typically 2 g). Place on a glass plate, then dononyl isononanoate is added dropwise.

After adding 4 to 5 drops of refined linseed oil, a spatula is used to incorporate isononyl isononanoate into (b) inorganic hydrophobic oil-absorbing powder, isononyl isononanoate and isononyl isononanoate until an aggregate of the powder is formed. Continue to add. At this point, isononyl isononanoate is added drop by drop, then the mixture is ground with a spatula. When a firm and smooth paste is obtained, the addition of isononyl isononanoate is discontinued. The paste must be able to spread on a glass plate without cracking or forming lumps. Then write down the volume Vs (represented in ml) of isononyl isononanoate used.

The amount of oil taken up corresponds to the ratio Vs / m.

(b) Inorganic hydrophobic oil absorbing powder is inorganic.

(b) Inorganic hydrophobic oil absorbing powder may have at least one inorganic core and at least one hydrophobic coating.

Hydrophobic coatings include fatty acids such as stearic acid; metal soaps such as aluminum dimyristic acid, aluminum salts of hydrogenated taroglutamic acid; amino acids; N-acylamino acids or salts thereof; lecithin, isopropyltriisostearyl titanate, mineral wax. , And a mixture thereof can be formed with a hydrophobic treatment agent.

N-acyl amino acids can include acyl groups containing 8 to 22 carbon atoms, such as 2-ethylhexanoyl, caproyl, lauroyl, myristoylate, palmitoyl, stearoyl or cocoyl groups. The salts of these compounds can be aluminum, magnesium, calcium, zirconium, zinc, sodium or potassium salts. The amino acid can be, for example, lysine, glutamic acid or alanine.

The term "alkyl" described in the compounds listed above refers, among other things, to alkyl groups containing 1 to 30 carbon atoms, preferably 5 to 16 carbon atoms.

(b) The inorganic hydrophobic oil-absorbing powder is preferably selected from hydrophobic silica, particularly hydrophobic silylated silica powder, and mixtures thereof.

Hydrophobic silica, especially silylated silica, can be based on silica airgel, a porous material obtained by replacing the liquid component of silica gel with air (by drying).

They are generally synthesized by the sol-gel method in a liquid medium and then dried, usually by extraction with a supercritical fluid, the most commonly used supercritical fluid is supercritical CO ₂ . This type of drying makes it possible to avoid shrinkage of pores and materials. The sol-gel method and various drying operations are described in detail in Brinker CJ and Scherer GW, Sol-Gel Science, New York, Academic Press, 1990.

Hydrophobic silica airgel particles
Specific surface area (SW) and / or volume average diameter (D [0.5]) per unit of measure in the range of 500 to 1500 m ² / g, preferably 600 to 1200 m ² / g, more preferably 600 to 800 m ^{2 / g.} The size ranges from 1 to 1500 μm, preferably 1 to 1000 μm, more preferably 1 to 100 μm, especially 1 to 30 μm, more preferably 5 to 25 μm, more preferably 5 to 20 μm, still more preferably 5 to 15 μm. Can be shown.

According to one embodiment, the hydrophobic silica airgel particles, expressed as volume mean diameter (D [0.5]), are 1 to 30 μm, preferably 5 to 25 μm, more preferably 5 to 20 μm, still more preferably 5 to 15 μm. The size of the range of can be indicated.

The specific surface area per unit of mass can be determined by the nitrogen absorption method known as the BET (Brunauer-Emmett-Teller) method, which is described in The Journal of the American Chemical Society, Vol. 60, p. 309, Described in February 1938, it corresponds to the international standard ISO 5794/1 (Annex D). The BET specific surface area corresponds to the total specific surface area of the particles under consideration.

The size of silica airgel particles can be measured by static light scattering using a commercially available MasterSizer 2000 type particle size analyzer manufactured by Malvern. The data is processed based on Mie scattering theory. This theory is rigorous for isotropic particles and, in the case of non-spherical particles, makes it possible to determine the "effective" particle size. This theory is specifically described in Van de Hulst, H.C., "Light Scattering by Small Particles," Chapters 9 and 10, Wiley, New York, 1957.

According to an advantageous embodiment, the hydrophobic silica airgel particles are ^{represented as a specific surface area (SW) per mass unit in the range of 600 to 800 m 2} / g, and a volume mean diameter (D [0.5]) from 5. Sizes in the range of 20 μm, preferably 5 to 15 μm can be indicated.

Silica airgel particles, advantageously, 0.04 g / cm ³ from 0.10 g / cm ^3, preferably can show packing density ([rho) ranging from 0.05 g / cm ³ of 0.08 g / cm ^3.

This density, known as the packing density in the context of the present invention, can be evaluated according to the following protocol:
Pour 40 g of powder into a graduated graduated cylinder,
The graduated cylinder was then placed on a Stampf Volumeter Stav 2003 device.
The graduated cylinder is then subjected to a series of 2500 filling operations (this operation is repeated until the volume difference between two consecutive tests is less than 2%).
The final volume Vf of the filled powder is then measured directly with a graduated cylinder. The packing density is determined by the ratio w / Vf, 40 / Vf in this example (Vf is ^{represented by cm 3} and w is represented by g).

According to one embodiment, the hydrophobic silica airgel particles have a specific surface area of 5 to 60 m ² / cm ³ , preferably 10 to 50 m ² / cm ³ , more preferably 15 to 40 m ² / cm ^3. The surface area SV can be shown.

The specific surface area per volume unit, the relationship formula: S _V = S _W × ρ (wherein, [rho is the packing density expressed in g / cm ^3, S _W is as defined above, m ² It is the specific surface area per mass unit represented by / g).

The term "hydrophobic silica" refers to silylating agents such as silane halides such as alkylchlorosilanes, siloxanes, especially dimethylsiloxanes, so that the OH group is functionalized with a silyl group Si-Rn, such as a trimethylsilyl group. It is understood to mean any silica treated with, for example, hexamethyldisiloxane, or silazane.

For the preparation of hydrophobic silica airgel particles surface-modified by silylation, reference US7470725 can be referred to.

In particular, hydrophobic silica airgel particles surface-modified with a trimethylsilyl group are used.

(b) Examples of inorganic hydrophobic oil-absorbing powders include the following fillers.

Examples of silica powders include polydimethylsiloxane-coated amorphous silica microspheres, especially those sold under the name SA Sunsphere® H33 (oil uptake equal to 243 ml / 100 g), mineral wax. Precipitated silica powder surface-treated with, for example, precipitated silica treated with polyethylene wax, especially those sold by Evonik-Degussa under the name Acematt OR 412 (oil uptake equal to 398 ml / 100 g), and Dow. Includes silylated silica (oil uptake equal to 1040 ml / 100 g) sold by Corning under the name VM-2270.

(b) As the inorganic hydrophobic oil absorbing powder, it is more preferable to use silylated silica sold by Dow Corning under the name VM-2270, the particles having an average size in the range of 5 to 15 μm, and 600. It shows the specific surface area per mass unit in the range from 800 m ^{2 / g.}

(b) The inorganic hydrophobic oil-absorbing powder is in the range of 0.01% by mass to 10% by mass, preferably in the range of 0.05% by mass to 5% by mass, more preferably 0.1% by mass to 1% by mass, based on the total mass of the composition. , More preferably in an amount in the range of 0.1% to 0.5% by weight, may be present in the composition according to the invention.

[Organic hydrophobic oil absorbing powder]
The composition according to the invention comprises at least one (c) organic hydrophobic oil absorbing powder. When two or more (c) organic hydrophobic oil absorbing powders are used, they may be the same or different.

(c) The organic hydrophobic oil-absorbing powder can absorb (and / or adsorb) oils or liquid fatty substances, such as sebum (from the skin).

(c) The organic hydrophobic oil absorbing powder is in the form of particles. (c) The (primary) particle size of the organic hydrophobic oil absorbing powder can be 0.01 to 100 μm, preferably 0.05 to 70 μm, more preferably 0.1 to 50 μm. The (primary) particle size can be measured, for example, by extracting and measuring from a photographic image obtained by SEM or the like, or by using a particle size analyzer, for example, a laser diffraction particle size analyzer. It is preferable to use a particle size analyzer, for example, a laser diffraction particle size analyzer. In this case, the (primary) particle size is the number average (primary) particle size.

For the purposes of the present invention, the term "hydrophobic" oil-absorbing powder means that the powder (or particles) are individually dispersed in the oily phase without forming aggregates.

This (c) organic hydrophobic oil-absorbing powder can be present in the fatty phase of the composition if the composition according to the invention contains an oily component capable of forming a fatty phase.

(c) The organic hydrophobic oil absorbing powder is preferably porous particles, particularly porous spherical particles.

According to another aspect of the present disclosure, (c) the organic hydrophobic oil absorbing powder has ^{a BET ratio of 300 m 2} / g or more, for example 500 m ² / g or more, for example 600 m ² / g or more, and 1500 m ² / g or less. Can have a surface area.

(c) The oil absorbing capacity of the organic hydrophobic oil absorbing powder is not limited. (c) The organic hydrophobic oil absorbing powder has an oil absorbing capacity of 100 ml / 100 g or more, preferably 150 ml / 100 g or more, more preferably 200 ml / 100 g or more, further preferably 250 ml / 100 g or more, and particularly preferably 300 ml / 100 g or more. Is preferable.

(c) The organic hydrophobic oil-absorbing powder can have an oil-absorbing capacity in the range of 100 ml / 100 g to 2000 ml / 100 g, preferably 100 ml / 100 g to 1500 ml / 100 g, and more preferably 100 ml / 100 g to 1000 ml / 100 g. Further, (c) the organic hydrophobic oil absorbing powder can have an oil absorbing capacity in the range of 150 ml / 100 g to 2000 ml / 100 g, preferably 150 ml / 100 g to 1500 ml / 100 g, and more preferably 150 ml / 100 g to 1000 ml / 100 g. .. Further, (c) the organic hydrophobic oil absorbing powder can have an oil absorbing capacity in the range of 200 ml / 100 g to 2000 ml / 100 g, preferably 200 ml / 100 g to 1500 ml / 100 g, and more preferably 200 ml / 100 g to 1000 ml / 100 g. ..

(c) The amount of oil absorbed (and / or adsorbed) by the organic hydrophobic oil absorbing powder can be characterized by measuring the wetting point according to the method below. The oil absorption capacity measured at the wet point, marked Wp, corresponds to the amount of oil that needs to be added to 100 g of particles to obtain a homogeneous paste.

The amount of oil absorbed (and / or adsorbed) can be measured according to the method described in Standard ISO 787 / 5-1980 for determining the amount of powder oil uptake. This corresponds to the amount of oil absorbed / adsorbed on the available surface of the powder as measured by the wetting point.

Glass an amount of m (grams) between about 0.5 g and about 5 g of (c) organic hydrophobic oil-absorbing powder (this amount depends on the density of (c) hydrophobic oil-absorbing powder, but typically 2 g) Place on a plate, then dononyl isononanoate is added dropwise.

After adding 4-5 drops of refined linseed oil, a spatula is used to incorporate isononyl isononanoate into (c) an organic hydrophobic oil-absorbing powder, isononyl isononanoate and isononyl isononanoate until an aggregate of the powder is formed. Continue to add. At this point, isononyl isononanoate is added drop by drop, then the mixture is ground with a spatula. When a firm and smooth paste is obtained, the addition of isononyl isononanoate is discontinued. The paste must be able to spread on a glass plate without cracking or forming lumps. Then write down the volume Vs (represented in ml) of isononyl isononanoate used.

The amount of oil taken up corresponds to the ratio Vs / m.

(c) Organic hydrophobic oil absorbing powder is organic.

(c) Organic hydrophobic oil-absorbing powders include polyamide (especially nylon-6) powders, acrylic polymers, especially polymethylmethacrylate, polymethylmethacrylate / ethyleneglycoldimethacrylate, allylpolymethacrylate / ethyleneglycoldimethacrylate or It can be selected from the group consisting of powders of ethylene glycol dimethacrylate / lauryl methacrylate copolymers; and mixtures thereof. The above materials may be crosslinked.

(c) The organic hydrophobic oil absorbing powder may be preferably selected from acrylic polymers, especially powders of ethylene glycol dimethacrylate / lauryl methacrylate copolymers.

(c) The organic hydrophobic oil-absorbing powder may be surface-treated with at least one hydrophobic treatment agent, if appropriate.

This hydrophobic treatment agent can be selected from, for example:
--Silicone, for example methicone, dimethicone,
--Fatty acids, such as stearic acid,
--Metal soaps such as aluminum dimyristate, hydrogenated aluminum salt of glutamic acid,
--Perfluoroalkyl phosphate, perfluoroalkylsilane, perfluoroalkylsilazane, hexafluoropropylene polypeptide, polyorganosiloxane containing perfluoroalkylperfluoropolyether groups,
--Amino acids, N-acylated amino acids and their salts,
--Lecithin, isopropyltriisostearyl titanate, and
--A mixture of them.

As used herein, the term "alkyl" as described in the compounds listed above is linear, branched or cyclic containing 1 to 30 atoms, eg 5 to 16 carbon atoms. Is understood to mean the alkyl group of.

N-acylated amino acids can include acyl groups containing 8 to 22 carbon atoms, such as 2-ethylhexanoyl, caproyl, lauroyl, myristoylate, palmitoyl, stearoyl and cocoyl groups. The salts of these components can be aluminum, magnesium, calcium, zirconium, zinc, sodium or potassium salts. The amino acid can be, for example, lysine, glutamic acid or alanine.

(c) Examples of organic hydrophobic oil absorbing powders include the following fillers.

Acrylic polymer powders that can be mentioned include porous polymethyl methacrylate (INCI name methyl methacrylate crosspolymer), eg spheres sold by Sensient under the name Covabead LH85, and Cardinal Health Technologies the name Microsponge 5640. Porous polymethyl methacrylate / ethylene glycol dimethacrylate spheres (oil uptake equal to 155 ml / 100 g), ethylene glycol dimethacrylate / lauryl methacrylate-crosslinked copolymer powder, sold at Amcol Health & Beauty Solutions, Inc. Sold under the name Polytrap® 6603 (oil uptake equal to 656 ml / 100 g), Acrylonitrile / Methyl Methacrylate / Vinylidene Chloride Copolymer sold by Akzo Nobel under the name Expancel 551DE40D42 ( The amount of oil taken up is equal to 1040 ml / 100 g).

Polyamide powders that can be mentioned include nylon-6 powders, especially products sold by Ube Industries, Ltd. under the name Pomp610 (oil uptake equal to 202 ml / 100 g).

(c) The organic hydrophobic oil absorbing powder is in the range of 0.01% by mass to 20% by mass, preferably in the range of 0.05% by mass to 10% by mass, more preferably 0.1% by mass to 1% by mass, based on the total mass of the composition. In an amount in the range of 0.5% by mass to 1% by mass, more preferably, it may be present in the composition according to the present invention.

[Hydrophilic oil absorbing powder]
The composition according to the present invention contains at least one (d) hydrophilic oil-absorbing powder having an oil-absorbing ability of 100 ml / 100 g or more. When two or more (d) hydrophilic oil absorbing powders having an oil absorbing capacity of 100 ml / 100 g or more are used, they may be the same or different.

(d) Hydrophilic oil-absorbing powders can absorb (and / or adsorb) oils or liquid fatty substances, such as sebum (from the skin).

(d) Hydrophilic oil absorbing powder is in the form of particles. (d) The (primary) particle size of the hydrophilic oil absorbing powder can be 0.01 to 100 μm, preferably 0.05 to 70 μm, more preferably 0.1 to 50 μm. The (primary) particle size can be measured, for example, by extracting and measuring from a photographic image obtained by SEM or the like, or by using a particle size analyzer, for example, a laser diffraction particle size analyzer. It is preferable to use a particle size analyzer, for example, a laser diffraction particle size analyzer. In this case, the (primary) particle size is the number average (primary) particle size.

For the purposes of the present invention, the term "hydrophilic" oil-absorbing powder means that the powder (or particles) are individually dispersed in the aqueous phase so as not to form aggregates.

(d) The hydrophilic oil absorbing powder has an oil absorbing capacity of 100 ml / 100 g or more, preferably 150 ml / 100 g or more, more preferably 200 ml / 100 g or more, and further preferably 250 ml / 100 g or more.

(d) The hydrophilic oil absorbing powder can have an oil absorbing capacity in the range of 100 ml / 100 g to 2000 ml / 100 g, preferably 100 ml / 100 g to 1500 ml / 100 g, and more preferably 100 ml / 100 g to 1000 ml / 100 g. Further, (d) the hydrophilic oil absorbing powder can have an oil absorbing capacity in the range of 150 ml / 100 g to 2000 ml / 100 g, preferably 150 ml / 100 g to 1500 ml / 100 g, and more preferably 150 ml / 100 g to 1000 ml / 100 g. Further, (d) the hydrophilic oil absorbing powder can have an oil absorbing capacity in the range of 200 ml / 100 g to 1000 ml / 100 g, preferably 200 ml / 100 g to 800 ml / 100 g, and more preferably 200 ml / 100 g to 500 ml / 100 g.

(d) The amount of oil absorbed (and / or adsorbed) by the hydrophilic oil absorbing powder can be characterized by measuring the wetting point according to the method below. The oil absorption capacity measured at the wet point, marked Wp, corresponds to the amount of oil that needs to be added to 100 g of particles to obtain a homogeneous paste.

The amount of oil absorbed (and / or adsorbed) can be measured according to the method described in Standard ISO 787 / 5-1980 for determining the amount of powder oil uptake. This corresponds to the amount of oil absorbed / adsorbed on the available surface of the powder as measured by the wetting point.

A glass plate of (d) hydrophilic oil-absorbing powder (this amount depends on the density of (d) hydrophilic oil-absorbing powder, but typically 2 g) in an amount between about 0.5 g and about 5 g (in grams). Place on top, then add isononyl isononanoate dropwise.

After adding 4-5 drops of refined linseed oil, a spatula is used to incorporate isononyl isononanoate into (d) hydrophilic oil-absorbing powder of isononyl isononanoate until an aggregate of isononyl isononanoate and powder is formed Continue adding. At this point, isononyl isononanoate is added drop by drop, then the mixture is ground with a spatula. When a firm and smooth paste is obtained, the addition of isononyl isononanoate is discontinued. The paste must be able to spread on a glass plate without cracking or forming lumps. Then write down the volume Vs (represented in ml) of isononyl isononanoate used.

The amount of oil taken up corresponds to the ratio Vs / m.

(d) The hydrophilic oil absorbing powder may be organic or inorganic.

(d) The hydrophilic oil absorbing powder having an oil absorbing capacity of 100 ml / 100 g or more can be selected from cellulose, silica, silicate; pearlite; magnesium carbonate; magnesium hydroxide; and derivatives thereof; and mixtures thereof.

(d) The hydrophilic oil absorbing powder preferably contains at least one selected from the group consisting of cellulose, silica, silicate, pearlite, magnesium carbonate, magnesium hydroxide, and derivatives thereof, and mixtures thereof.

A person skilled in the art can select (d) a hydrophilic oil-absorbing powder having an oil-absorbing ability of 100 ml / 100 g or more, preferably 150 ml / 100 g or more, more preferably 200 ml / 100 g or more, among the following materials.

According to one embodiment, the cellulose derivative can be selected from cellulose esters and ethers.

The term "cellulose ester", in the above and in the text below, means a polymer consisting of the α (1-4) sequence of partially or completely esterified anhydrous glucose rings, which esterification is said to be said. With all or part of the free hydroxyl functional groups of the anhydrous glucose ring and linear or branched carboxylic acids or carboxylic acid derivatives (esterified or acid anhydrides) containing 1 to 4 carbon atoms. Obtained by the reaction of. Preferably, the cellulose ester is obtained from the reaction of some of the free hydroxyl functional groups of the ring with a carboxylic acid containing 1 to 4 carbon atoms. Advantageously, the cellulose ester is selected from cellulose acetate, propionate, butyrate, isobutyrate, acetobutyrate and acetopropionate, and mixtures thereof.

The term "cellulose ether" means a polymer consisting of the α (1-4) sequence of a partially etherified anhydrous glucose ring, with some of the free hydroxyl functional groups in the ring substituted with -OR groups. R is preferably a linear or branched alkyl group containing 1 to 4 carbon atoms. Therefore, the cellulose ether is preferably selected from cellulose alkyl ethers having an alkyl group containing 1 to 4 carbon atoms, such as cellulose methyl, propyl, isopropyl, butyl and isobutyl ethers.

Cellulose and its derivatives that can be mentioned include, for example, the following spherical cellulose particles commercially available by Daito Kasei Kogyo Co., Ltd. of Japan: Cellulobeads USF with a particle size of 4 μm (oil uptake 250 ml /). 100 g) (porous cellulose).

Among the silica powders that can be mentioned are porous silica microspheres, especially those sold by Asahi Glass Co., Ltd. under the names of Sunsphere (registered trademark) H53 and Sunsphere (registered trademark) H33 (oil uptake amount is 370 ml / 100 g). Equal); MSS-500-3H by Kobo; Amorphous hollow silica particles, especially those sold by Kobo under the name Silica Shells (oil uptake equal to 550 ml / 100 g); Fuji Silicia Chemical Co., Ltd. Porous silica microspheres sold under the name Sylysia 350 by (oil uptake equals 310 ml / 100 g); and silica powder sold by Oriental Silicas under the name Finesil X35 (oil uptake 380 ml /). (Equivalent to 100g) is included.

A particularly silicate that can be mentioned is aluminum silicate (oil uptake equal to 195 ml / 100 g) sold by Kyowa Chemical Industry Co., Ltd. under the name Kyowaad® 700PEL.

Perlite powders, among others, are products sold by World Minerals under the names Optimate® 1430 OR and Optimate® 2550 OR (oil uptake equal to 240 ml / 100 g).

Magnesium carbonate powder, among other things, is a product sold by Buschle & Lepper under the name Tipo Carbomagel® (oil uptake equal to 214 ml / 100 g).

Magnesium carbonate / magnesium hydroxide powder, which can be mentioned in particular, is a product of _{mMgCO 3-} Mg (OH) _2- nH _{2 O sold under the name of Mg Tube by Nittetsu Mining Co., Ltd.} (Equivalent to 310 ml / 100 g).

(d) The hydrophilic oil-absorbing powder having an oil-absorbing capacity of 100 ml / 100 g or more is in the range of 0.01% by mass to 20% by mass, preferably in the range of 0.05% by mass to 10% by mass, more preferably with respect to the total mass of the composition. May be present in the compositions according to the invention in an amount in the range of 0.1% by weight to 1% by weight, more preferably in the range of 0.1% by weight to 0.5% by weight.

[oil]
The composition according to the present invention may contain at least one (e) oil other than (a) an organic UV shielding agent. When two or more oils (e) are used, they may be the same or different.

As used herein, "oil" means a fatty compound or substance in the form of a liquid or paste (non-solid) at room temperature (25 ° C.) under atmospheric pressure (760 mmHg). As the oil, those generally used in cosmetics can be used alone or in combination thereof. These oils may be volatile or non-volatile.

(e) The oil can be a non-polar oil such as a hydrocarbon oil, a silicone oil or the like; a polar oil such as a plant or animal oil and an ester oil or an ether oil; or a mixture thereof.

(e) The oil can be selected from the group consisting of plant or animal origin oils, synthetic oils, silicone oils, hydrocarbon oils and fatty alcohols.

Examples of vegetable oils include flaxseed oil, camellia oil, macadamia nut oil, corn oil, mink oil, olive oil, avocado oil, southern ka oil, sunflower oil, saflower oil, jojoba oil, sunflower oil, almond oil, abrana seed oil. , Sesame oil, soybean oil, peanut oil, and mixtures thereof.

Examples of animal oils include, for example, squalene and squalane.

Examples of synthetic oils include alkane oils such as isododecane and isohexadecane, ester oils, ether oils, and artificial triglycerides.

Ester oils are preferably saturated or unsaturated, and linear or branched C ₁ -C ₂₆ aliphatic monoacid or polyacid, saturated or unsaturated, linear or branched C _{1 to} C _{26 It} is a liquid ester with an aliphatic monoalcohol or a polyalcohol, and the total number of carbon atoms of the ester is 10 or more.

Preferably, in the case of esters of monoalcohols, at least one of the alcohols and acids from which the esters of the invention are derived is branched.

Among the monoesters of monoacid and monoalcohol, ethyl palmitate, ethylhexyl palmitate, isopropyl palmitate, dicaprylyl carbonate, alkyl myristate, such as isopropyl myristate or ethyl myristate, isosetyl stearate, 2-ethylhexyl isononanoate. , Isononyl isononanoate, isodesyl neopentate, and isostearyl neopentate.

C _{4 to} C ₂₂ Dicarboxylic acid or tricarboxylic acid and _{ester of C 1 to} C ₂₂ alcohol, and monocarboxylic acid, dicarboxylic acid, or tricarboxylic acid and non-sugar C _{4 to} C ₂₆ Dihydroxy, trihydroxy, tetrahydroxy, or penta Esters with hydroxyalcohol can also be used.

Among them, diethyl sebacate, diisopropyl lauroyl sarcosin isopropyl, diisopropyl sebacate, bis sebacate (2-ethylhexyl), diisopropyl adipate, di-n-propyl adipate, dioctyl adipate, bis adipate (2-ethylhexyl), adipate. Diisostearyl, bis (2-ethylhexyl) maleate, triisopropyl citrate, triisocetyl citrate, triisostearyl citrate, glyceryl trilactic acid, glyceryl trioctanoate, trioctyldodecyl citrate, trioleyl citrate, neo diheptate Examples thereof include pentyl glycol and diethylene glycol diisononanoate.

As the ester oil, sugar esters and diesters of _{C 6 to} C ₃₀ , preferably C _{12 to} C _{22 fatty acids can be used.} It is recalled that the term "sugar" means an oxygen-containing hydrocarbon compound containing several alcohol functional groups and at least 4 carbon atoms, with or without aldehyde or ketone functional groups. To. These sugars can be monosaccharides, oligosaccharides, or polysaccharides.

Examples of suitable sugars that can be mentioned include sucrose (or saccharose), glucose, galactose, ribose, fucose, maltose, fructose, mannose, arabinose, xylose, and lactose, and derivatives thereof, especially alkyl derivatives such as methyl. Derivatives, such as methyl glucose, are included.

Fatty acid sugar esters are, among other things, esters or esters of the above-mentioned sugars and linear or branched, saturated or unsaturated C _{6 to} C ₃₀ , preferably C _{12 to} C ₂₂ fatty acids. Can be selected from the group containing. If they are unsaturated, these compounds can have 1 to 3 conjugate or unconjugated carbon-carbon double bonds.

Esters in this modified form can also be selected from monoesters, diesters, triesters, tetraesters, and polyesters, and mixtures thereof.

These esters include, for example, oleic acid ester, lauric acid ester, palmitic acid ester, myristic acid ester, behenic acid ester, coconut fatty acid ester, stearic acid ester, linoleic acid ester, linolenic acid ester, capric acid ester, and arachidonic acid. It may be an ester, or a mixture thereof, for example, a mixed ester of oleopalmitic acid, oleostearic acid, and palmitostearic acid, and pentaerythrityl tetraethylhexanoate.

More specifically, monoesters and diesters, especially monooleic or dioleic acids of sucrose, glucose, or methylglucos, stearic acid esters, bechenic acid esters, oleopalmitic acid esters, linoleic acid esters, linolenic acid esters, and oleo. Stearic acid ester is used.

An example that can be mentioned is a product sold by Amerchol under the name Glucate® DO, which is methyl glucose dioleate.

Examples of preferred ester oils include, for example, diisopropyl adipate, dioctyl adipate, 2-ethylhexyl hexanate, ethyl laurate, cetyl octanate, octyldodecyl octanate, isodecyl neopentate, myristyl propionate, 2-ethylhexanoic acid. 2-Ethylhexyl, 2-ethylhexyl octanoate, 2-ethylhexyl caprylic acid / caprylic acid, methyl palmitate, ethyl palmitate, isopropyl palmitate, dicaprilyl carbonate, lauroyl sarcosin isopropyl, isononyl isononanoate, ethylhexyl palmitate, isohexyl laurate, Hexyl laurate, isocetyl stearate, isopropyl isostearate, isopropyl myristate, isodecyl oleate, tri (2-ethylhexanoic acid) glyceryl, tetra (2-ethylhexanoic acid) pentaerythrityl, 2-ethylhexyl succinate, sebacic acid Diethyl and mixtures thereof can be mentioned.

Examples of artificial triglycerides include, for example, capryl capryl glyceride, glyceryl trimyristate, glyceryl tripalmitate, glyceryl trilinolenate, glyceryl trilaurate, glyceryl tricaprate, glyceryl tricaprylate, tri (capric acid / caprylic acid) glyceryl , And tri (caprylic acid / caprylic acid / linolenic acid) glyceryl.

Examples of silicone oils include linear organopolysiloxanes such as dimethylpolysiloxane, methylphenylpolysiloxane, methylhydrogenpolysiloxane; cyclic organopolysiloxanes such as cyclohexasiloxane, octamethylcyclotetrasiloxane, deca. Methylcyclopentasiloxane, dodecamethylcyclohexasiloxane, etc .; and mixtures thereof can be mentioned.

Preferably, the silicone oil is selected from liquid polydialkylsiloxanes, in particular liquid polydimethylsiloxane (PDMS), and liquid polyorganosiloxanes containing at least one aryl group.

These silicone oils may also be organically modified. The organically modified silicones that can be used in accordance with the present invention are the silicone oils defined above and include, in their structure, one or more organic functional groups attached via hydrocarbon groups.

Organopolysiloxane is defined in more detail by Walter Noll, Chemistry and Technology of Silicones (1968), Academic Press. They may be volatile or non-volatile.

If they are volatile, silicones are selected from those with a boiling point between 60 ° C and 260 ° C, more specifically, and from the following, more specifically:
(i) Cyclic polydialkylsiloxane containing 3 to 7, preferably 4 to 5 silicon atoms. These are, for example, octamethylcyclotetrasiloxanes sold under the name Volatile Silicone® 7207 by Union Carbide or Silbione® 70045 V2 by Rhodia, Volatile by Union Carbide. Decamethylcyclopentasiloxane sold by Rhodia under the name Silbione® 70045 V5 under the name Silicone® 7158, and Dodecamethyl sold by Momentive Performance Materials under the name Silsoft 1217. Cyclopentasiloxane, and mixtures thereof. The following formula

(In the formula, D "is

And D'is

Is)
Cyclocopolymers of the type such as dimethylsiloxane / methylalkylsiloxane, eg Silicone Volatile® FZ 3109 sold by Union Carbide. Mixtures of cyclic polydialkylsiloxanes and organosilicon compounds, such as mixtures of octamethylcyclotetrasiloxane and tetratrimethylsilylpentaerythritol (50/50), as well as octamethylcyclotetrasiloxane and oxy-1,1'-bis (2,2). A mixture of, 2', 2', 3,3'-hexatrimethylsilyloxy) neopentane can also be mentioned;
(ii) A linear volatile polydialkyl siloxane containing 2 to 9 silicon atoms ^{and having a viscosity of 5 × 10 -6} m ^{2 / s or less at 25 ° C.} An example is the decamethyltetrasiloxane sold under the name SH 200, especially by Torre Silicone Co., Ltd. Silicones in this category are also described in a paper published in Cosmetics and Toiletries, Vol. 91, January 1976, pp. 27-32, Todd & Byers, Volatile Silicone Fluids for Cosmetics. Silicone viscosities are measured at 25 ° C. according to ASTM Standard 445 Annex C.

Non-volatile polydialkylsiloxanes can also be used. More specifically, these non-volatile silicones are selected from polydialkylsiloxanes, among which mainly polydimethylsiloxanes containing a trimethylsilyl terminal group can be mentioned.

Among these polydialkylsiloxanes, the following commercial products can be mentioned without limitation:
--Silbione® or Mirasil® oils of the 47 and 70047 series sold by Rhodia, eg oil 70047 V 500000,
--Mirasil® series oils sold by Rhodia,
--Dow Corning 200 series oils, such as DC200 with a viscosity of ^{60000 mm 2 / s, and}
--General Electric's Viscasil® oil and General Electric's SF series certain oils (SF 96, SF 18).

Polydimethylsiloxane containing a dimethylsilanol end group known as dimethiconol (CTFA), such as Rhodia's 48 series oils, can also be mentioned.

Among the silicones containing an aryl group, polydiarylsiloxanes, particularly polydiphenylsiloxanes and polyalkylarylsiloxanes, such as phenylsilicone oils, can be mentioned.

Phenyl silicone oil has the following formula

[During the ceremony,
R ₁ to R ₁₀ are independent of each other, saturated or unsaturated, linear, cyclic or branched C _{1 to} C ₃₀ hydrocarbon groups, preferably C _{1 to} C ₁₂ hydrocarbon groups. More preferably, it is a C _{1 to} C ₆ hydrocarbon group, particularly a methyl, ethyl, propyl, or butyl group.
m, n, p, and q are integers of 0 or more and 900 or less, preferably 0 or more and 500 or less, and more preferably 0 or more and 100 or less, independent of each other.
However, the sum n + m + q must be other than 0]
You can choose from phenyl silicone.

Examples that can be given include products sold under the following names:
--Rhodia 70641 Series Silbione® Oil,
--Rhodia Rhodorsil® 70633 and 763 series oils,
--Dow Corning Oil Dow Corning 556 Cosmetic Grade Fluid,
--Bayer PK series silicones, such as product PK20,
--Some oils in the SF series from General Electric, such as SF 1023, SF 1154, SF 1250, and SF 1265.

As the phenylsilicone oil, phenyltrimethicone (in the above formula, R ₁ to R ₁₀ are methyl, p, q, and n = 0, and m = 1) is preferable.

The organically modified liquid silicone may contain, among other things, polyethylene oxy and / or polypropylene oxy groups. Therefore, the silicone KF-6017 proposed by Shin-Etsu Chemical Co., Ltd. and the oils Silwet® L722 and L77 manufactured by Union Carbide can be mentioned.

Hydrocarbon oils can be selected from:
--Linear or branched, and optionally cyclic, C _{6 to} C ₁₆ lower alkanes. Examples that can be mentioned include hexane, undecane, dodecane, tridecane, and isoparaffin, such as isohexadecane, isododecane, and isodecan;
—— Linear or branched hydrocarbons containing more than 16 carbon atoms, such as liquid paraffin, liquid petrolatum, polydecene and hydrogenated polyisobutene, such as Parleam®, and squalane.

Preferred examples of hydrocarbon oils include, for example, linear or branched hydrocarbons such as isohexadecane, isododecane, squalane, mineral oil (eg liquid paraffin), paraffin, petrolatum or petrolatum, naphthalene and the like; hydrogenated polyisobutene. , Isoeicosan, and decene / butene copolymers; and mixtures thereof.

The term "fat" in fatty alcohols means that it contains a relatively large number of carbon atoms. Therefore, alcohols having 4 or more, preferably 6 or more, more preferably 12 or more carbon atoms are included in the range of fatty alcohols. Fatty alcohols may be saturated or unsaturated. The fatty alcohol may be linear or branched.

Fatty alcohols have a structure of R-OH [in the formula, R is saturated and unsaturated containing 4 to 40 carbon atoms, preferably 6 to 30 carbon atoms, more preferably 12 to 20 carbon atoms. , Which is selected from linear and branched groups]. In at least one embodiment, R can be selected from _{C 12-} C ₂₀ alkyl and C _12- C _{20 alkenyl groups.} R may or may not be substituted with at least one hydroxyl group.

Examples of fatty alcohols are lauryl alcohol, cetyl alcohol, stearyl alcohol, isostearyl alcohol, behenyl alcohol, undecylenyl alcohol, myristyl alcohol, octyldodecanol, hexyldecanol, oleyl alcohol, linoleil alcohol, palmitrail alcohol, arachidnyl alcohol. , Elsyl alcohol, and mixtures thereof.

The fatty alcohol is preferably a saturated fatty alcohol.

Thus, the fatty alcohols are linear or branched, saturated or unsaturated C _{6 to} C ₃₀ alcohols, preferably straight or branched, saturated C _{6 to} C ₃₀ alcohols, more preferably linear or branched. You can choose from branched, saturated C _{12 to} C _{20 alcohols.}

The term "saturated fatty alcohol" as used herein means an alcohol having a long aliphatic saturated carbon chain. The saturated fatty alcohol is preferably selected from any linear or branched saturated C _{6 to} C _{30 fatty alcohols.} Among the linear or branched saturated C _{6 to} C ₃₀ fatty alcohols, preferably the linear or branched saturated C _{12 to} C ₂₀ fatty alcohols can be used. More preferably, any linear or branched saturated C _16- C ₂₀ fatty alcohol can be used. More preferably, branched C _16- C ₂₀ fatty alcohols can be used.

Examples of saturated fatty alcohols include lauryl alcohol, cetyl alcohol, stearyl alcohol, isostearyl alcohol, behenyl alcohol, undecylenyl alcohol, myristyl alcohol, octyldodecanol, hexyldecanol, and mixtures thereof. In one embodiment, cetyl alcohol, stearyl alcohol, octyldodecanol, hexyldecanol, or mixtures thereof (eg, cetearyl alcohol) and behenyl alcohol can be used as saturated fatty alcohols.

According to at least one embodiment, the fatty alcohol used in the composition according to the invention is preferably selected from cetyl alcohol, octyldodecanol, hexyldecanol, and mixtures thereof.

The oil (e) is preferably selected from hydrocarbon oils, ester oils, silicone oils, and mixtures thereof.

The amount of (e) oil in the composition according to the present invention is 0.01% by mass to 25% by mass, preferably 0.1% by mass to 20% by mass, and more preferably 1% by mass to 15% by mass with respect to the total mass of the composition. %, More preferably in the range of 5% to 15% by weight.

(e) The oil can form the fatty phase of the composition according to the invention.

When the composition according to the present invention is in the form of an O / W emulsion, the oil (e) in the composition according to the present invention can form a dispersed fatty phase in the O / W emulsion.

The fatty phase may include (a) an organic UV shield.

The amount of the fatty phase in the composition according to the present invention is 10% by mass to 50% by mass, preferably 15% by mass to 40% by mass, more preferably 20% by mass to 30% by mass, based on the total mass of the composition. Can be a range.

[water]
The composition according to the present invention may contain (f) water.

When the composition according to the invention contains (f) water, the water (f) can form an aqueous phase of the composition according to the invention.

When the composition according to the invention is in the form of an O / W emulsion, the water (f) in the composition according to the invention can form a continuous aqueous phase in the O / W emulsion.

(f) The amount of water is 20% by mass to 80% by mass, preferably 30% by mass to 70% by mass, more preferably 40% by mass to 60% by mass, still more preferably 40% by mass, based on the total mass of the composition. It can be from% to 50% by mass.

[Other ingredients]
The compositions according to the invention may also contain at least one optional or additional ingredient.

The amount of the optional or additional ingredients is not limited, but is 0.01% to 30% by weight, preferably 0.1% to 20% by weight, more preferably 1% to 10% by weight, based on the total weight of the composition according to the invention. Can be% by mass.

Optional or additional ingredients are anionic, cationic, nonionic, or amphoteric polymers; anionic, cationic, nonionic, or amphoteric surfactants; inorganic UV shields; peptides and derivatives thereof; proteins. Hydrolyxes; swelling agents and penetrants; hair loss inhibitors; anti-fluffing agents; natural or synthetic oil thickeners; suspending agents; sequestrants; opalescent agents; dyes; sunscreens; vitamins or pros You can choose from the group consisting of vitamins; fragrances; preservatives, stabilizers; and mixtures thereof.

The compositions according to the invention may contain one or more cosmetically acceptable organic solvents, which include alcohols, especially monohydric alcohols such as ethyl alcohol, isopropyl alcohol, benzyl alcohol, and phenylethyl alcohol. Diols such as ethylene glycol, propylene glycol, and butylene glycol; other polyols such as glycerol, sugars, and sugar alcohols; and ethers such as ethylene glycol monomethyl, monoethyl, and monobutyl ether, propylene glycol monomethyl, monoethyl, and monobutyl ether. , And butylene glycol monomethyl, monoethyl, and monobutyl ether.

In this case, the organic solvent may be present in a concentration of 0.01% by mass to 30% by mass, preferably 0.1% by mass to 20% by mass, more preferably 1% by mass to 15% by mass, based on the total mass of the composition. ..

[form]
The form of the composition according to the present invention is not particularly limited, and various forms such as W / O emulsion, O / W emulsion, aqueous gel, and aqueous solution can be taken. The composition according to the present invention is preferably in the form of an emulsion, more preferably in the form of an O / W emulsion.

[Cosmetology method]
The composition according to the present invention can preferably be used as a cosmetic composition. The cosmetic composition can be any of skin cosmetics, hair cosmetics, make-up cosmetics, nail cosmetics, and cosmetics for use on mucous membranes such as lips, preferably skin cosmetics. is there.

In particular, the compositions according to the invention can be intended for application to keratinous substances such as skin, scalp and / or lips, preferably skin. Therefore, the compositions according to the invention can be used for cosmetological methods for the skin.

The composition according to the invention is intended to absorb UV light and / or protect human keratin substances, among other things, from UV irradiation, since it contains at least one (a) organic UV shield. Can also function as. It is well known in the art that protection of keratinous substances from UV irradiation provides anti-aging, anti-wrinkle, and moisturizing effects. Thus, the compositions of the present invention can further constitute compositions intended for anti-aging, anti-wrinkle, and / or moisturizing effects.

The cosmetic method or cosmetic use for a keratin substance such as skin according to the present invention includes at least a step of applying the composition according to the present invention to the keratin substance.

The cosmetological method or cosmetological use according to the present invention can bring about an anti-sebum effect or an anti-skin effect due to any one of the components (b) to (d) in the composition according to the present invention.

Since the composition according to the invention comprises at least one (a) organic UV shielding agent, the cosmetic method or cosmetic use according to the invention also comprises the step of applying the composition according to the invention to a keratin substance. The present invention may relate to a method of absorbing ultraviolet light, which comprises a method of protecting the keratin substance from ultraviolet irradiation, a step of applying the composition according to the present invention, and a step of exposing the keratin substance to ultraviolet light. These methods can be defined as non-therapeutic methods.

The present invention will be described in more detail by way of examples. However, these examples should not be construed as limiting the scope of the invention. The following examples are presented as non-limiting examples in the field of the present invention.

(Example 1 and Comparative Examples 1 to 4)
The following compositions according to Example 1 and Comparative Examples 1 to 4 shown in Table 1 were prepared by mixing the components shown in Table 1 at room temperature. All numerical values for the amounts of components shown in Table 1 are based on "mass%" as an active raw material.

[Evaluation]
The compositions according to Example 1 and Comparative Examples 1 to 4 were evaluated as follows.

(Matte effect)
Each of the compositions according to Example 1 and Comparative Examples 1 to 4 was applied to a contrast card as a layer having a thickness of 100 μm, and dried at room temperature for 24 hours.

0.4 ml of artificial sebum / sweat composition was sprayed onto the above layers on the contrast card at room temperature. The composition of the artificial sebum / sweat composition is shown in Table 2 below.

The reflectance of the above layer after spraying the artificial sebum composition was measured with a gloss meter (UNI GLOSS 60 plus, Konica Minolta Co., Ltd.) as a 60 ° gloss value. The amount of artificial sebum composition sprayed on each of the above layers was the same as each other. The lower the 60 ° gloss value, the better the result.

The measured reflectances were classified as follows.
Good (high matte effect): 0 to 20
Bad (low matte effect): over 20 to 40
Very bad (no matte effect): over 40 to 60

The results are shown in Table 1.

(Elongation, low film feeling and moisturizing feeling after application)
Eight professional panelists evaluated "elongation,""low film sensation," and "moisturizing sensation after application," after using equal amounts of each of the compositions according to Example 1 and Comparative Examples 1-4. ..

Each panelist picks up each composition, then applies it to the face and evaluates "elongation", "low film feeling", and "moisturizing sensation after application" after use of each composition, 0 ( It was rated from (very bad) to 5 (very good) and then categorized into the following three categories based on the average rating.
Good: 3.3 to 5.0
Bad: 1.6 to less than 3.3 Very bad: 0 to less than 1.6

The results are shown in Table 1.

The composition according to Example 1 contains an organic UV shielding agent together with an inorganic hydrophobic oil absorbing powder, an organic hydrophobic oil absorbing powder, and a hydrophilic oil absorbing powder having an oil absorbing capacity of 100 ml / 100 g or more, and is therefore based on the organic UV shielding agent. It can provide a UV blocking effect, as well as a matte appearance and excellent texture, such as good elongation, low film feel, and moisturizing feel after application.

On the other hand, the composition according to Comparative Example 1 lacks a hydrophilic oil absorbing powder having an oil absorbing capacity of 100 ml / 100 g or more, and therefore cannot provide a sufficient matte appearance and excellent texture.

The composition according to Comparative Example 2 lacks the inorganic hydrophobic oil-absorbing powder and therefore cannot provide a sufficient matte appearance.

The composition according to Comparative Example 3 lacks an organic hydrophobic oil-absorbing powder and therefore cannot provide a sufficient matte appearance. In addition, this cannot result in excellent growth.

The composition according to Comparative Example 4 lacks an inorganic hydrophobic oil-absorbing powder, an organic hydrophobic oil-absorbing powder, and a hydrophilic oil-absorbing powder, and therefore cannot provide a sufficient matte appearance.

From the comparison between Example 1 and Comparative Examples 1 to 4 in Table 1, in order to prepare a composition having a UV blocking effect, while being able to provide a matte appearance and excellent texture (a). A combination of () an organic UV shielding agent, (b) an inorganic hydrophobic oil absorbing powder, (c) an organic hydrophobic oil absorbing powder, and (d) a hydrophilic oil absorbing powder having an oil absorbing capacity of 100 ml / 100 g or more is required. It is clear that.

Claims (14)

(a) At least one organic UV shield and
(b) At least one inorganic hydrophobic oil-absorbing powder and
(c) At least one organic hydrophobic oil-absorbing powder,
(d) Containing at least one hydrophilic oil absorbing powder having an oil absorbing capacity of 100 ml / 100 g or more.
Wherein (d) a hydrophilic oil powder viewing contains cellulose,
The amount of (a) organic UV shielding agent is 3% by mass to 50% by mass with respect to the total mass of the composition.
The amount of the (b) inorganic hydrophobic oil-absorbing powder is 0.01% by mass to 10% by mass with respect to the total mass of the composition.
The amount of the (c) organic hydrophobic oil absorbing powder is 0.01% by mass to 20% by mass with respect to the total mass of the composition.
(D) A composition in which the amount of the hydrophilic oil-absorbing powder is 0.01% by mass to 20% by mass with respect to the total mass of the composition. (a) The composition according to claim 1, wherein the organic UV shielding agent is lipophilic. The composition according to claim 1 or 2, wherein the amount of (a) the organic UV shielding agent in the composition is 5 % by mass to 40% by mass with respect to the total mass of the composition. (b) The composition according to any one of claims 1 to 3, wherein the inorganic hydrophobic oil-absorbing powder is selected from the group consisting of hydrophobic silica. The composition according to any one of claims 1 to 4, wherein the amount of the (b) inorganic hydrophobic oil-absorbing powder in the composition is 0.05 % by mass to 5% by mass with respect to the total mass of the composition. (c) The composition according to any one of claims 1 to 5, wherein the organic hydrophobic oil-absorbing powder is selected from the group consisting of a polyamide powder, an acrylic polymer, and a mixture thereof. The composition according to any one of claims 1 to 6, wherein the amount of the (c) organic hydrophobic oil-absorbing powder in the composition is 0.05 % by mass to 10% by mass with respect to the total mass of the composition. The composition according to any one of claims 1 to 7, wherein the amount of the (d) hydrophilic oil-absorbing powder in the composition is 0.05 % by mass to 10% by mass with respect to the total mass of the composition. The composition according to any one of claims 1 to 8, further comprising (a) at least one oil other than (a) an organic UV shielding agent. The composition according to claim 9, wherein the amount of (e) oil in the composition is 0.01% by mass to 25% by mass with respect to the total mass of the composition. (f) The composition according to any one of claims 1 to 10, further comprising water. The composition according to claim 11 , wherein the amount of (f) water in the composition is 20% by mass to 80% by mass with respect to the total mass of the composition. The composition according to claim 11 or 12, which is in the form of an emulsion. A method comprising a step of applying the composition according to any one of claims 1 to 13 to a keratin substance, which is a cosmetic method for a keratin substance, preferably skin.