Hair dye composition comprising a polymer dye, the polymer dye comprising a positively charged polymer covalently bound to a negatively charged reactive dye in which the reactive dye is a bis-azo dye of the structure (I) in which the A ring is substituted by at least one heterocyclic reactive group and/or a sulphonate group.
申请公布号
WO2012119810(A3)
申请公布日期
2013.08.22
申请号
WO2012EP51256
申请日期
2012.01.26
申请人
UNILEVER PLC;UNILEVER N.V.;BATCHELOR, STEPHEN, NORMAN