申请人:UNILEVER PLC
公开号:WO2014111281A1
公开(公告)日:2014-07-24
A hair colouring composition comprising analkylated polyethyleneimine dye, wherein the alkylated polyethyleneimine dye comprises a polyethyleneimine having covalently bound to the nitrogen groups of the polyethyleneimine: (i) a negatively charged reactive dye and; (ii) a linear carbon chain comprising at least 7 carbon atoms.