| 摘要 |
<p>1511964 Oxidation hair dyeing compositions L'OREAL 26 May 1976 [28 May 1975] 21912/76 Heading D1B [Also in Division C3] A composition, in the form of a cream or a gel, for dyeing hair comprises at least one oxidation dyestuff and a cationic graft copolymer resulting from the copolymerisation of: a) N-vinyl pyrrolidone, b) dimethylaminoethyl methacrylate and c) polyethylene glycol. The composition is applied to the hair together with hydrogen peroxide. Suitable dyestuffs are specified, including p-aminophenol, nitro-pphenylenediamine and p-toluylene diamine. The composition may also comprise a coupling agent, e.g. 2, 4-diaminoanisole sulphate, resorcinol or m-aminophenol, or a direct dyestuff, and may be in the form of a twocomponent pack.</p> |
