Patent · US Active

Hair colouration, method and kit thereof

US9949542B2 · kind B2 · utility

3Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 26, 2015
Grant dateApr 24, 2018
Priority date
Expiry dateOct 26, 2035

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/884
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Method for coloring hair wherein a first composition comprising at least one cationic polymer and a second composition comprising at least one anionic polymer are alternately applied to the hair.

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