| 摘要 |
Use of a combination of a quaternised diallyldimethylamine-acrylic acid copolymer, a quaternised silicone and an acrylic acid - itaconic acid copolymer esterified by a fatty alcohol and optionally polyoxyethylated, in ammonia-free oxidation hair dye compositions to improve dye penetration into the hair fibres. Ammonia-free composition for colouring keratinic fibres comprises: an oxidising agent (I), dye precursors (II), a non-volatile, odorless alkalising agent (III) and a combination of a quaternised dimethyldiallylammonium/acrylic acid copolymer (IV), a quaternised silicone (V) and an acrylic acid/itaconic acid copolymer esterified by one or more fatty alcohols and optionally polyethoxylated (VI). An Independent claim is included covering a ternary complex of (IV), (V) and (VI) which is useful for the dyeing of keratinic fibres.
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