Patent · US Expired

Hair care compositions

US7300647B1 · kind B1 · utility

14Cited by
8References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 2000
Grant dateNov 27, 2007
Priority date
Expiry dateApr 18, 2022

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K8/4946
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

According to the present invention there is provided a hair care composition comprising at least one tyrosine compound and at least one other amino acid compound selected from tryptophan compounds, histidine compounds and lysine compounds. The compositions of the present invention can improve the strength and condition of the hair.

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