Novel meta-phenylenediamines are provided for use as couplers with dye bases in hair dye compositions. These meta-phenylenediamines have the formula: ##STR1## in which n is 2, 3 or 4. Their acid addition salts may also be used.
提供了一种新型的
间苯二胺,可用作染发组合物中
染料碱的
偶联剂。这些
间苯二胺的
化学式为:##STR1## 其中n为2、3或4。它们的酸盐也可以使用。