Abstract: Provided are: a glycerin dispersion in which the dispersibility and storage stability of a hydrophobized inorganic powder are improved; and a cosmetic containing the glycerin dispersion. A glycerin dispersion containing a hydrophobized inorganic powder, in which an inorganic powder is used as a base and hydrophobicity is imparted by coating the inorganic powder with an organic surface treatment agent, a polyglycerin-based nonionic surfactant, and glycerin is provided.

Abstract: To improve a fresh sense of use, an excellent feeling of use of hydrophobic powder, color development, transparency, ultraviolet shielding ability, and the like. In production of a cosmetic containing, respectively, 1 wt % or more of water and hydrophobic powder, (A) hydrophilic nonionic surfactant as monoether compound of branched higher alcohol having 12 to 20 carbons and polyoxyethylene group and (B) water are mixed, and then mixed with (C) hydrophobic powder.

Abstract: Provided are: a hydrophilized organic powder that is obtained by a hydrophilization treatment of a hydrophobic organic powder and has favorable properties; and a cosmetic that includes the hydrophilized organic powder. A hydrophilized organic powder that has a hydrophilizing-coat of polyoxyethylene (10) isostearyl ether on a hydrophobic organic powder is provided. Further, a cosmetic that includes the hydrophilized organic powder is provided. The hydrophobic organic powder is preferably an organic resin powder or a metallic soap powder, or a combination thereof.

Abstract: A hydrophilic inorganic powder having excellent self-dispersibility in water or an aqueous solvent, which could not be conventionally achieved, and a cosmetic preparation containing the hydrophilic inorganic powder are provided by combining a hydrophilic surfactant and lipophilic surfactant. There is provided the hydrophilic inorganic powder comprising an inorganic powder as a base material; a hydrophobic-coat that covers the surface of the inorganic powder; and a hydrophilic-coat that covers the hydrophobic-coat, wherein ingredients of the hydrophilic-coat comprises both a hydrophilic surfactant and a lipophilic surfactant, and each of the hydrophilic surfactant and the lipophilic surfactant has a branched alkyl moiety in their molecules, wherein the hydrophilic inorganic powder has self-dispersibility in water or an aqueous solvent.

Abstract: Provided are: a hydrophilized inorganic powder having favorable properties while reducing the blending amount of a surfactant; and a cosmetic including the hydrophilized inorganic powder. A hydrophilized inorganic powder including an inorganic powder as a base material, a hydrophobic coat that covers the surface of the inorganic powder, and a hydrophilic coat that covers the hydrophobic coat, wherein the composition of the hydrophilic coat is a nonionic surfactant(s) having a hydrophilic moiety and a carbon chain moiety, and has a branched structure sufficient for imparting self-dispersibility in the carbon chain moiety is provided.

Abstract: The invention is directed to the cosmetic powder surface-treated with a silicone gel, wherein the surface treatment with the silicone gel affords excellent water repellency, the exhibits smooth and light touch, and affords moist usability peculiar to the silicone gel and excellent adhesion to skin for the cosmetic powder. The powder is an inorganic powder, an organic powder or a composite powder thereof. The silicone gel is obtained by hydrolysis and condensation reacting an organopolysiloxane containing at least a diorganopolysiloxane having reactive opposite ends shown in the following formula (1) and a silane coupling agent having the following formula (2) with at least two hydrolyzable groups in one molecule or a reactive polysiloxane of the following formula (3) as a crosslinking agent. (1) R1R22SiO—(R22SiO)L—SiR1R22; (2) R3R4nSiX(3-n); and (3) R53SiO—(R52SiO)n-SiR53.

Abstract: A plate-like powder for cosmetics, powder is surface treated with a silicone gel, enhancing moldability and impact resistance of a solid powdery cosmetic composition as well as a solid powdery cosmetic composition. The surface-treated powder exhibits smooth and light touchiness, has moist usability, and excellent adhesion to skin. The surface-treated powder is blended into a powdery cosmetic composition, enhancing moldability and impact resistance of the composition and removed by an applicator.

Abstract: A coated powder is obtained by coating a powder to be treated, with a mixture, as a coating agent, which includes 60 wt % to 90 wt % of an extremely hardened plant fat and oil having a melting point of 50° C. or more and 10 wt % to 40 wt % of an ester oil agent derived from a plant fat and oil. The powder is coated with the coating agent preferably at a temperature higher than the melting point of the extremely hardened plant fat and oil by 10 to 20° C. The powder is coated with the coating agent in an amount of 1 wt % to 15 wt %, particularly preferably 3 wt % to 10 wt %. Further, cosmetic preparations can be obtained by using the coated powder as a part or an entire part of the cosmetic preparations.

Abstract: A composition for cosmetics is provided, which has a UV shielding effect and which can produce a cosmetic having good dispersibility, an excellent UV shielding effect and excellent use feeling, cosmetic effect, long-lasting cosmetic performance. The cosmetic obtained by using the same is provided. The composition for cosmetics includes (A) microparticulate titanium dioxide, (B) one kind or two or more kinds of magnesium hydroxide and calcium hydroxide. The composition for cosmetics preferably contains further (C) a clay mineral. The compounding weight ratio among (A):(B):(C) is preferably 20 to 60:3 to 40:0 to 77. In addition, the composition for cosmetics is preferably one in which a mixed powder of (A), (B) and (C) is lipophilically treated.

Abstract: Provided is a surface-treated powder, in which a powder is treated with a surface-treating agent composed of a mixture A+B including A: an alkyl alkoxy silane of a general formula (1): (CnH2n+1)aSi(OCmH2m+1)b and B: one kind of a compound or two or more kinds of compounds selected from a reactive organo silicone of the following general formula (2): (R13SiO)(R12SiO)p(SiR23) and a C12 to C22 saturated or unsaturated branched fatty acid. In the general formula (1), n is an integer of 1 to 18, m is an integer of 1 to 3, a, b represent an integer of 1 to 3, and a+b=4. In the general formula (2), R1s mutually independently represents a lower alky group having 1 to 4 carbon atoms or a hydrogen atom or a hydrogen atom, respectively, R2 is any of an amino group, a hydrogen atom, a hydroxyl group and a C1-C4 lower alkoxy group, and p is an integer of 1 to 300.

Abstract: By coating the surface of a powder comprising a silicone resin and/or an organic powder with a specific hydrophilizing agent, such powder is hydrophilized. Such coated (treated) powder has extremely great dispersibility (ease of dispersion) and very good dispersion stability (long-term dispersion stability with lapse of time) in aqueous dispersion media, particularly under acidic and alkaline conditions, specifically at pH 3 through 13. Using the surface-treated powder, additionally, a dispersion with good dispersibility (ease of dispersion) and great dispersion stability, preferably for cosmetics can be provided. The use of the surface-treated powder, or the use of the dispersion can provide further a cosmetic excellent in dispersibility and dispersion stability and further in re-dispersibility and dispersion stability with lapse of time and smooth feeling as compared to the related art when selecting aqueous cosmetic as an agent form.

Abstract: Provided is a surface-treated powder having excellent usability and adhesion to skin. The powder is coated with a surface-treating agent including (a) a fluorine-containing monomer of a general formula (I) and (b) an alkoxy group-containing monomer of a general formula (II). The powder is used for various cosmetics.

Abstract: A surface of particles of a silicone resin is treated with a low-molecular organosilicon derivative, with or without a water-soluble cationic polymer to improve the hydrophilicity of the silicone resin. The thus-treated powder is quite excellent in dispersibility (readily dispersible) and in dispersion stability in an aqueous dispersion medium. The use of the surface-treated powder provides a dispersion for cosmetic, excellent in dispersibility and dispersion stability and the like. The use of the surface-treated powder, or the use of the dispersion provides further a cosmetic excellent in dispersibility and dispersion stability, and further excellent in ease of re-dispersion and dispersion stability with lapse of time when selecting aqueous cosmetic as an agent form, and also excellent in smooth feeling in comparison with ordinary products.

Abstract: By coating the surface of a powder comprising a silicone resin and/or an organic powder with a specific hydrophilizing agent, such powder is hydrophilized. The hydrophilizing agent includes water-soluble polyoxyalkylene glycol derivatives. The organic powder is at least one selected from PMMA, nylon, polyester, polystyrene, cellulose, silicone elastomer powder, silicone rubber powder, benzoguanamine, styrenedivinylbenzene pinhole polymer, ethylene tetrafluoride, polyethylene powder, polypropylene powder, polyurethane powder, silk powder, metal soap powder, starch powder, N-acylated lysine, an organic pigment, and a composite of at least one of these organic powders described above with a metal oxide and/or a metal hydroxide. Such coated (treated) powder has extremely great dispersibility (ease of dispersion) and very good dispersion stability (long-term dispersion stability with lapse of time) in aqueous dispersion media, particularly under acidic and alkaline conditions, specifically at pH 3 through 13.

Abstract: A composite powder containing a powdery base and aluminum hydroxide adhered to at least a portion of the surface of the base, wherein said adhered aluminum hydroxide in the form of a spherical and net structure is comprised preferably in a large amount. In case of using in powdery cosmetics, this composite powder hides wrinkles, pore openings and hard texture of the skin, and thus maintains the correcting effect of the troubled morphology of the skin. Thus, it exerts excellent effects of imparting natural gloss and color tone to the makeup coating without darkness, being superior in a feeling of “elasticity” and transparency, and the like, compared to the conventional products. The effect of the above object can be more enhanced by the surface treatment such as a further surface treatment by silicon on the surface of said composite powder.

Abstract: Provided are a dispersion excellent in the dispersibility of powder particles, dispersion stability, storage stability, and versatility; and a cosmetic blended with such dispersion. An oil dispersion of a surface-treated powder, comprising a surface-treated powder coated with a half ester oil, and a lipophilic solvent as a dispersion medium, wherein the half ester oil comprises an ester compound having 16 or more carbon atoms in total as can be obtained by reacting at least one kind of alcohols having 1 to 36 carbon atoms with at least one kind of carboxylic acids having 1 to 36 carbon atoms, and wherein the half ester oil has an acid value of 15 or more.

Abstract: There is provided a coated powder having a high skin care effect and a high anti-aging effect. The powder which can be used in cosmetics is coated with a mixture (lipoamino acid composition) comprising N-acyl derivatives (also including the form of a salt) of (1) at least one amino acid selected from proline and hydroxyproline, (2) at least one amino acid selected from alanine, glycine and sarcosine and (3) at least one amino acid selected from aspartic acid and glutamic acid, and at least one selected from fatty acids (and/or metal salts thereof) having a carbon number of at least 12 and at most 22.

Abstract: There is provided a cosmetic, particularly a skin cosmetic, excellent in imparting transparency (transparent feeling) to the skin, conditioning the skin texture and making wrinkles and hair follicles imperceptible when applied. The cosmetic comprises a powder of porous spherical silica having an average particle size (based on volume) from 3.0 to 20 ?m, a maximum particle size of 50 ?m or smaller, and a pore volume from 1.5 to 3.0 cm3/g, wherein the powder is characterized in that the minimum value of dlog (storage elasticity)/dlog (shear stress) is ?10 or more, when 40 g of squalane is added to 15 cm3 of apparent volume of said powder of porous spherical silica, the resulting paste is charged in thickness of 2 mm between parallel plates of 2.

Abstract: A surface of particles of a silicone resin is treated with a low-molecular organosilicon derivative, with or without a water-soluble cationic polymer to improve the hydrophilicity of the silicone resin. The thus-treated powder is quite excellent in dispersibility (readily dispersible) and in dispersion stability in an aqueous dispersion medium. The use of the surface-treated powder provides a dispersion for cosmetic, excellent in dispersibility and dispersion stability and the like. The use of the surface-treated powder, or the use of the dispersion provides further a cosmetic excellent in dispersibility and dispersion stability, and further excellent in ease of re-dispersion and dispersion stability with lapse of time when selecting aqueous cosmetic as an agent form, and also excellent in smooth feeling in comparison with ordinary products.

Abstract: Providing a surface-treated powder coated with a half ester oil, wherein the half ester oil contains an ester compound with 16 or more carbon atoms in total, as obtained by reacting one or more alcohols with one to 36 carbon atoms with one or more carboxylic acid with one to 36 carbon atoms and wherein the half ester oil has an acid value of 15 or more. The surface-treated powder of the invention has excellent adhesion to and spreadability on skin and hair, excellent dispersibility in general oils such as ester oil and triglyceride and in silicone-series or fluorine-series oils, and moist feel.