Hair coloring compositions
US6432147B1 · kind B1 · utility
15Cited by
10References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1999 |
| Grant date | Aug 13, 2002 |
| Priority date | — |
| Expiry date | Jul 5, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A hair coloring composition comprising: (a) from about 0.0003 moles (per 100 g of composition) to less than about 0.09 moles (per 100 g of composition) of an inorganic peroxygen oxidizing agent; and (b) an oxidative hair coloring agent; wherein the pH of each of (a) and (b) is in the range of from about 1 to about 6 and wherein the combined mixture of (a) and (b) has a pH in the range of from about 1 to about 6. The products can provide excellent hair coloring and in-use efficacy benefits including excellent initial color and good wash fastness in combination with reduced hair damage at low pH.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.