The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 24, 2018
Filed:
Apr. 11, 2012
Toshifumi Shiroya, Yokohama, JP;
Anne Laure Bernard, New York, NY (US);
Christophe Dumousseaux, Shinjuku, JP;
Toshifumi Shiroya, Yokohama, JP;
Anne Laure Bernard, New York, NY (US);
Christophe Dumousseaux, Shinjuku, JP;
L'OREAL, Paris, FR;
Abstract
The present invention relates to a cosmetic process which applies onto the skin a self-standing cosmetic sheet for the skin, comprising: ⋅at least one biocompatible and/or biodegradable hydrophobic polymer layer ⋅wherein ⋅the self-standing cosmetic sheet has a thickness of from 10 to 1000 nm, preferably from 30 to 500 nm, and more preferably from 50 to 300 nm. The cosmetic sheet according to the present invention may comprise at least one cosmetic active ingredient. The cosmetic sheet used in the present invention is very thin and not easily perceived on the skin; can be prepared with a variety of materials such as a biocompatible and/or biodegradable material, preferably non-cross-linked poly(lactic acid) or a combination of chitosan and alginic acid; and can adhere well onto the skin without any adhesive layer so that it is less irritable or no irritable to the skin.