阅读说明：本技术 使用直接染料和不饱和杂环盐染色角蛋白材料的方法及包含所述直接染料和不饱和杂环盐的组合物 (Process for dyeing keratin materials using a direct dye and an unsaturated heterocyclic salt, and composition comprising said direct dye and an unsaturated heterocyclic salt ) 是由 S·萨贝勒 O·盖拉尔 于 2019-12-17 设计创作，主要内容包括：本发明涉及：一种用于处理角蛋白材料、特别是角蛋白纤维、优选人类角蛋白纤维如头发的美容方法,该美容方法使用a)一种或多种直接染料和b)一种或多种特定杂环盐；一种包含成分a)和b)的组合物以及一种包含a)和b)的试剂盒。(The present invention relates to: a cosmetic process for treating keratin materials, in particular keratin fibres, preferably human keratin fibres such as the hair, using a) one or more direct dyes and b) one or more specific heterocyclic salts; a composition comprising components a) and b) and a kit comprising a) and b).)