Colour changing composition in O/W emulsion form

US9668949B2 · kind B2 · utility

Assignee

• L'Oreal · FR

Inventors

• Yihao Chai · Shanghai, CN
• Xuedong Liu · San Jose, US
• Weiyi Guan · Shanghai, CN
• Qing Yu · Shanghai, CN
• Jing Chen · Shanghai, CN

Key dates

• Filing date: Jan 16, 2013
• Grant date: Jun 6, 2017
• Expiry date: Aug 21, 2033

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/43
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A changing color composition for caring for and/or making up keratin materials on the form of an O/W emulsion comprising, in a physiologically acceptable medium, at least a) microcapsules containing releasable colorant(s), said microcapsules comprising: —a core comprising one organic material, —at least one layered coating surrounding said core, the layered coating comprising at least one polymer, at least one colorant, and advantageously at least one lipid-based material, b) at least 5% by weight, more preferably at least 8% by weight and advantageously at least 10% by weight relative to the weight of the composition of an aqueous phase comprising water and at least one compound chosen from polyols, glycols C2-C8 monoalcohols and mixtures thereof, c) non entrapped Ti02, and d) an O/W emulsifier.