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US 8,506,976 B2Granted
Makeup composition comprising encapsulated carbon black
AssigneeLvmh Recherche
InventorsJean-Francois Tranchant, Myriam Chevalier, Emilie Gombart
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Abstract
The present invention relates to cosmetic make-up compositions, in particular mascaras, comprising carbon black encapsulated in a spherical silica matrix. These compositions are characterized by a deep and glossy black color.
Claims11
A cosmetic composition comprising substantially spherical particles of pigment comprising an amorphous silica matrix in which carbon black is encapsulated,
- wherein the particles exhibit a width/length ratio of less than 3,
- wherein the particles are formed by dispersing an alkoxysilane in an aqueous medium composed of a mixture of water and an alcohol having from 1 to 5 carbon atoms, and
- wherein the particles are dispersed in a cosmetically acceptable translucent or transparent medium.
Dependencies are inferred from the claim text.