The present invention relates to a cosmetic composition for the treatment of keratin fibres, particularly human keratin fibres such as hair, comprising, in a cosmetically acceptable medium, one or more organosilanes, one or more cationic polymers having charge density greater than or equal to 4 meq/g and one or more cationic surfactants. The present invention also relates to a cosmetic process for treating keratin fibres using said cosmetic composition. The present invention finally relates to the use of said composition for the cosmetic treatment of keratin fibres.

A coated powder comprises (a) particles, and (b) a coating on the surface of the particles including (1) silica moieties, (2) organo oxysilane moieties selected from the group consisting of mono-organo oxysilane moieties, bi-organo oxysilane moieties and tri-organo oxysilane moieties, and (3) poly(dialkyl)siloxane moieties. The amount by weight in SiO.sub.2 equivalents of the organo oxysilane moieties and the silica moieties is at least 0.0625% of the total coated powder weight per m.sup.2/g of the specific surface area of the particle to be coated.

The present invention relates to a composition for preventing or treating scars and a preparation method therefor. The composition, according to one aspect, comprises a pigment and silicone oil, and may be stably formulated into a formulation adequate for spreading on the skin, and may inhibit the formation of scars or reduce already existing scars by forming a membrane on the skin, and has an effect whereby scars may be concealed by the pigment stably dispersed in the composition.

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.

A process for dyeing keratinous material is disclosed. The process includes applying an agent (a) and an agent (b) to the keratinous material. The agent (a) comprises (a1) at least one organic silicon compound, and (a2) at least one sulfated and/or sulfonated fatty acid ester. The agent (b) comprises (b1) at least one sealing reagent, and (b2) at least one first colorant compound. A multi-component packaging unit is also disclosed, and comprises, separately packaged, a first container comprising an agent (a′), a second container comprising an agent (a″), and a third container comprising an agent (b). The agent (a′) comprises (a1) at least one organic silicon compound. The agent (a″) comprises (a2) at least one sulfated and/or sulfonated fatty acid ester. The agent (b) comprises (b1) at least one sealing reagent, and (b2) at least one first colorant compound.

The present disclosure relates to silica particles comprising repeating units of (SiO.sub.4/2) that are spherical in shape, which has the benefit of compatibility with personal care components and the resulting personal care applications. The present disclosure also relates to methods of preparing silica particles.

A coated powder comprises (a) particles, and (b) a coating on the surface of the particles including (1) silica moieties, (2) organo oxysilane moieties selected from the group consisting of mono-organo oxysilane moieties, bi-organo oxysilane moieties and tri-organo oxysilane moieties, and (3) poly(dialkyl)siloxane moieties. The amount by weight in SiO.sub.2 equivalents of the organo oxysilane moieties and the silica moieties is at least 0.0625% of the total coated powder weight per m.sup.2/g of the specific surface area of the particle to be coated.

The subject of the present disclosure is a method for dyeing keratinous material, in particular human hair. The method includes applying an agent (a) to the keratinous material. The agent (a) includes one or more organic silicon compound selected from the group of silanes having one, two or three silicon atoms, (a2) a first colorant compound including one or more lenticular substrate platelet-based pigment, and (a3) a second coloring compound. The method further includes applying an agent (b) to the keratinous material. The agent (b) includes at least one sealing reagent. Also disclosed are multi-component packaging unit (kit-of-parts) for dyeing keratinous material.

Personal care products, such as shampoos, conditioners, hair dyes, hair removal products, cleansers, cosmetics, mascaras, and toothpastes may be formulated to include one or more surfactants, from one or more surfactant classes, such as siloxane derivatives of amino acids that have surface-active properties.

[Problem] To provide a decorating powder composition for decorating the surface of a solid cosmetic material, in particular, for obtaining a solid cosmetic material having a beautiful appearance which is decorated with a glossy powder, and a decorating method using the decorating powder composition. [Solution] Provided are a decorating powder composition including a glossy powder which has been surface-treated with a silane compound or a silazane compound, and a method for decorating a solid cosmetic material, the method including causing the decorating powder composition to adhere to a printing plate and then bringing the printing plate into contact with a surface of the solid cosmetic material to transfer the decorating powder composition to the surface of the solid cosmetic material and decorate the solid cosmetic material.