USE OF DYESTUFFS FOR DYEING KERATIN FIBERS AND COMPOSITIONS COMPRISING THE DYESTUFFS
申请人:Pratt Dominic
公开号:US20130269121A1
公开(公告)日:2013-10-17
Present invention relates to the use of a cationic anthrachinone dye for coloring keratin fibers, especially human hair, and compositions comprising the said dyestuffs. The object of the present invention is the use of dyestuff according to general structure
wherein R
1
is a group selected from CH
3
, CH
2
OH, C
2
H
2
OH, C
4
H
9
, C
3
H
6
OC
2
H
5
, C
2
H
4
OCH
3
and C
3
H
6
OC
2
H
4
OCH
3
for dyeing keratin fibers especially human hair.