Composition for dyeing keratinous fibres comprising 2-(beta-hydroxyethyl)-paraphenylene-diamine, 2-methylresorcin and resorcin
申请(专利)号:
EP19950400979
申请日期:
1995-04-28
公开/公告号:
EP0688558A2
公开/公告日期:
1995-12-27
申请(专利权)人:
L'OREAL
被引量:
摘要:
An oxidn. dye compsn. for keratin fibres, esp. human hair, comprises a dyeing medium contg.: (a) 2- beta -hydroxyethyl-p-phenylene- di:amine (II) as oxidn. dye precursor; and (b) a combination of 2-methyl-resorcinol (III) and resorcinol (IV) as coupler. (II) is opt. in the form of acid addn. salts, specifically the hydrochloride, sulphate, hydrobromide or tartrate. Also claimed are: (i) a dyeing process, involving applying (I) to keratin fibres then developing the colour in an alkaline, neutral or acidic medium using an oxidising agent (V), applied together with (I) or in a separate compsn. (used simultaneously or sequentially); (ii) a dyeing kit having at least two compartments, one of which contains (I) and another of which contains (V) in a dyeing medium; and (iii) the use of (I), or a kit as in (ii), for dyeing human keratin fibres e.g. hair.
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