Patent · US Active

Hair coloring compositions and methods of using the same

US11185485B2 · kind B2 · utility

0Cited by
8References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 28, 2020
Grant dateNov 30, 2021
Priority date—
Expiry dateMay 28, 2040

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/882
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Hair coloring compositions that form a transparent microemulsion and have a desirable texture. The hair coloring compositions may include about 0.1 to about 10 wt. % of one or more oxidative dye precursors; about 0.1 to about 15 wt. % of one or more anionic surfactants chosen from acyl amino acid surfactants; about 0.1 to about 15 wt. % of one or more amphoteric surfactants; about 0.1 to about 30 wt. % of a plurality of nonionic surfactants; and water. The plurality of nonionic surfactants include about 0.1 to about 15 wt. % of one or more alkyl polyglucosides; about 0.1 to about 15 wt. % of a sorbitan compound, a derivative thereof, or a mixture thereof; and about 0.1 to about 10 wt. % of one or more polyol esters.

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