Lila G Patel

US Patent:

6221389, Apr 24, 2001

Filed:

Jan 11, 2000

Appl. No.:

9/445343

Inventors:

David W. Cannell - New York NY
Hiten Mathur - Woodbridge NJ
Nghi Nguyen - Edison NJ
Cynthia Espino - Princeton NJ
Mick Swanborough - Avenel NJ
Mohamed Kanji - Edison NJ
Carl Orr - Scotch Plains NJ
Lila Patel - Edison NJ

Assignee:

L'Oreal - Paris

International Classification:

A61R 910

US Classification:

424450

Abstract:

A composition containing at least one organic phospholipid capable of forming bilayers in aqueous solution;at least one amphoteric surfactant; and at least one nonionic surfactant present in an amount by weight equal to or greater than the amount of the phospholipid. The invention also relates to a delivery system for water-insoluble ingredients containing the above components, at least one water-insoluble ingredient, and an aqueous phase, wherein the organic phospholipid, amphoteric surfactant, and nonionic surfactant are present in a combined amount sufficient to allow the water-insoluble ingredient to be incorporated into the system. A method of treating keratinous susbstances is also disclosed.