The present disclosure relates to a skin film forming agent, and provides a skin film forming agent which comprises dimethiconol, hydride dimethicone and a cross-linking component, and thereby provides a skin film forming agent which has no problem of safety, and forms a film with high intensity, and thereby can solve peeling and slipping of the film and effectively improve skin disadvantages, particularly, wrinkles and elasticity.

The present invention relates to a process for preparing coated zinc oxide particles by means of flame spray pyrolysis technology, to coated zinc oxide particles, and to a composition comprising said particles. The present invention also relates to specific zinc oxide particles derived from such a process, to the compositions comprising such particles and also to the uses thereof.

The present invention relates to a process for preparing oxide particles, in particular metal oxide particles, coated with silicon oxide by means of flame spray pyrolysis technology, to oxide particles, in particular metal oxide particles, coated with silicon oxide, and to a composition comprising said particles. The present invention also relates to specific oxide particles, in particular metal oxide particles, coated with silicon oxide derived from such a process, to the compositions comprising such particles and also to the uses thereof.

Disclosed are UV-protective compositions comprising swelled polymer matrix macroparticles comprising a thermoplastic polymer swelled with at least one swelling agent, and a plurality of nanoparticles of an inorganic UV-protective agent comprising at least one solid inorganic crystal and a dispersant associated with the crystal, wherein the inorganic nanoparticles are dispersed and embedded in the swelled polymer matrix macroparticles. UV protective compositions comprising zinc titanate having the general formula Zn.sub.2Ti.sub.(1-x)Fe.sub.xO.sub.4 are also disclosed. Method of preparation of such compositions, including of nanoparticles of such inorganic UV-protective agent and uses of compositions comprising the same are also provided.

A process for dyeing keratinous material, in particular human hair, is disclosed. The process comprises applying to the keratinous material an agent (a) and an agent (b). The agent (a) comprises: (a1) at least one organosilicon compound; and (a2) at least one color-imparting compound comprising at least one effect pigment comprising (A) a substrate platelet comprising synthetic mica and (β) a coating comprising at least a first metal oxide (hydrate) layer. The agent (b) comprises (b1) at least one sealing reagent. A multi-component packaging unit (kit-of-parts) for dyeing keratinous material is also provided, and comprises separately packaged containers including the agents or components thereof for use in the process.

Use of mica having a lamellarity index of less than about 3.0 in a pressed powder, pressed powders comprising said mica, and methods for making said pressed powders.

One aspect of the present disclosure is an organic/inorganic composite powder and a composition including the same in which a coating film on a surface of an inorganic powder is not easily fall off under various conditions such as pH, temperature, physical force, etc., so that has excellent moisture retention and less transferring and allows for natural makeup.

The present application relates to a sunscreen or daily care composition comprising bis-ethylhexyloxyphenol methoxyphenyl triazine (INCI bis-ethylhexyloxyphenol methoxyphenyl triazine), titanium dioxide, and zinc oxide.

The present invention relates to core shell silica particles, wherein each core shell silica particle comprises a silica core, and a surface of the silica core is etched with metal silicate, the core shell silica particles prepared by: i) admixing an amount of silica particles in water with an amount of a base, wherein the base comprises a monovalent metal ion, to produce core shell silica particles, each core shell silica particle comprising a silica core, and a surface of the silica core etched with a silicate of the monovalent metal ion; and ii) reacting the core shell silica particles formed in step i) with a metal salt comprising a second metal ion, to form core shell silica particles comprising silicate of the second metal ion on the surface of the silica core.

Cosmetic and dermatological compositions, including color changing compositions, are provided which typically include a plurality of synthetic particles having a size in the micrometer or nanometer range. Each synthetic particle typically includes one or more aggregates of a pigment selected from phenoxazone, phenoxazine, and a derivate or precursor thereof, and a stabilizing material which has a refractive index larger than 1.45; the aggregates having a size larger than about 100 nm and the composition being biodegradable and biocompatible.