To provide a composition in which fine particles of solid lipid such as ceramides are emulsified and dispersed in a stable manner without being crystalized. A dispersion of fine lipid particles containing the following components (A) to (E), wherein the dispersion has a pH of 3.5 or more and 8.0 or less and the fine lipid particles have a heat of fusion of 0.30 J/g or less in a temperature range of 45° C. or more and 80° C. or less and an average particle size of less than 200 nm. (A) one or more selected from the group consisting of a sterol and a derivative thereof, (B) a lipid other than the component (A), the lipid being solid or semi-solid at 25° C., (C) an anionic surfactant, (D) a water-soluble solvent and (E) water.

Water-in-oil type emulsion cosmetics containing (a) polyaspartic acid or a salt thereof, (b) a spherical powder, (c) an oily component, (d) a lipophilic surfactant, (e) a pigment, and (f) water can achieve superior makeup effects, good moist feeling, superior emulsion stability and pigment dispersibility.

The present invention relates to a non-pulverulent cosmetic composition, comprising: (a) at least one lipophilic organic UV filter, and (b) at least one hollow silica sphere particle. The composition according to the present invention can exhibit a good C UV filtering effect.

A method for producing a powder solid composition including a base containing non-volatile liquid oil, the method includes: blending wax in a powder form into the base; dispersing the base in a solvent; volatilizing the solvent at a first temperature where the wax does not dissolve; and heating the base at a second temperature where the wax dissolves, wherein a blending amount of the non-volatile liquid oil is 15% by mass or more and 40% by mass or less with respect to the base.

The present specification discloses compositions comprising one or more encapsulates comprising one or more agents and methods and uses for the disclosed agents. A composition disclosed herein can be incorporated into a body wash, an after shower body lotion, a shampoo, a conditioner, a soap, a gel, a hand sanitizer, a cream, a spray, a mouse, a lotion, an ointment, a make-up product, a lip balm, a hair spray product, an arachnid/insect repellent or a medicinal product.

The present invention provides a nitric-oxide containing composite in the form of microparticles, wherein said microparticles comprise: (i) a core which comprises silica; (ii) a layer on said core which comprises a metal-organic framework; and (iii) nitric oxide;
wherein said metal-organic framework comprises organic ligands comprising at least one amine group, said metal-organic framework is uniformly distributed on the surface of said silica core and said nitric oxide is chemisorbed within said metal-organic framework.

Ultraviolet radiation sun protective compositions are reported which feature micronized metal oxide inorganic particles selected from zinc oxide, titanium oxide and mixtures thereof, the inorganic particles being coated with poly[C.sub.8-C.sub.20 hydroxycarboxylic acid], the coated particles measured at a 10% loading in dodecane and 1 minute elapsed time having a Zeta Potential ranging from 2 to 10 mv, amounts of the poly[C.sub.8-C.sub.20 hydroxycarboxylic acid] to the inorganic particles being in a relative weight ratio of 1:100 to 1:10.

Inorganic sunscreen active agents in cosmetic compositions and methods are provided and feature micronized metal oxide inorganic particles selected from the group consisting of zinc oxide, titanium oxide, cerium oxide and mixtures thereof, the inorganic particles being coated with: (i) a poly[C8-C20 hydroxycarboxylic acid], the coated particles measured at a 10% loading in dodecane and at 1 minute elapsed time having a Zeta Potential ranging from 2 to 10 mv, particularly from 2 to 5 mv, amounts of the poly[C8-C20 hydroxycarboxylic acid] to the inorganic particles being in a relative weight ratio of 1:100 to 1:10; or alternatively (ii) an adduct of a hydroxy cinnamate and a silanol, amounts of the adduct to the inorganic particles being in a relative weight ratio of 1:200 to 1:4; or alternatively (iii) mixtures of (i) and (ii).

There is provided a spherical organic-inorganic composite particle having good biodegradability. The organic-inorganic composite particle according to the present invention includes 1 to 79% by weight of a silica component and 21 to 99% by weight of a biodegradable plastic. The organic-inorganic composite particle has an average particle diameter d.sub.1 of 0.5 to 25 μm, a true density of 1.03 to 2.00 g/cm.sup.3, and a sphericity of 0.80 or more. A cosmetic product including the organic-inorganic composite particle having such properties has excellent texture properties.

Provided are: a core-corona polymer particle excellent in emulsion stability and feeling of use, and a raw material for a cosmetic and an oil-in-water emulsion cosmetic comprising the particle. The present invention provides a core-corona polymer particle obtained by radical-polymerizing a polyethylene oxide macromonomer represented by the formula (1) and one or two or more of hydrophobic monomers represented by the formulas (2) and (3) under the following conditions (A) to (D).