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:
Nov. 13, 2001
Filed:
Oct. 06, 1999
Quang lan N'Guyen, Antony, FR;
Christian Colin, Paris, FR;
L'Oreal, Paris, FR;
Abstract
A method of preventing damage caused to healthy skin, hair or mucous membranes by free radicals, includes applying to the healthy skin, hair or mucous membrane a composition containing at least one product having a peroxidase activity capable of reducing organic peroxides and at least one antioxidant capable of neutralizing singlet oxygen, the composition being free of peroxide. The product having a peroxidase activity is present in an amount of from 0.005 to 5.0% by weight, and the antioxidant is present in an amount of from 0.005 to 3.0% by weight, with a weight ratio of the product having a peroxidase activity to the antioxidant of from 0.001 to 0.3. The product having a peroxidase activity capable of reducing organic peroxides is lactoperoxidase, and the antioxidant is selected from quinolines, polyphenols, and carotenoids.