Patent · US Expired

Cosmetic composition and methods of use

US6521668B2 · kind B2 · utility

4Cited by
7References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 14, 1999
Grant dateFeb 18, 2003
Priority date
Expiry dateDec 14, 2019

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/522
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

There are disclosed cosmetic compositions and methods for protection of keratinous tissue against environmental aggressors, such as smoke, smog and UV radiation. The compositions have as an essential antioxidant: (i) hesperetin, (ii) tetrahydrocurcumin, (iii) tetrahydrodemethoxycurcumin, or (iv) tetrahydrobisdemethoxycurcumin, or mixtures of thereof. The compositions are preferably in the form of oil in water emulsions and may optionally contain one or more emulsifiers, preservatives, thickeners, sunscreens, additional antioxidants, emollients, skin protectants, hair protectants, nail protectants and the like.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.