发明授权
US4324553A Hair dyeing compositions containing at least one 2,4-diamino-alkylbenzene as coupler 失效
含有至少一种2,4-二氨基 - 烷基苯作为偶联剂的染发组合物

Hair dyeing compositions containing at least one
2,4-diamino-alkylbenzene as coupler
摘要:
The invention provides as a coupling component for an oxidation hair dye composition a meta-diaminoalkylbenzene or a salt thereof, the alkyl substituent being n-propyl, iso-propyl or n-butyl.
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