Novel 2,6-disubstituted primary para-phenylenediamines and process for their use in the oxidation dyeing of keratin fibers
申请人:Ramos-Stanbury Laure
公开号:US20070044254A1
公开(公告)日:2007-03-01
Disclosed herein are 2,6-disubstituted para-phenylenediamine compounds chosen from compounds of formula (I) and the salts and solvates thereof:
Also disclosed herein are the corresponding intermediate compounds. Further disclosed herein is a composition for the oxidation dyeing of keratin fibers, for example, human keratin fibers such as the hair, comprising at least one para-phenylenediamine compound. Still further disclosed herein are oxidation dyeing processes comprising applying the composition to keratin fibers.