Hair dyeing process using at least one direct and/or natural dye, a titanium salt, a cellulose-based polysaccharide and optionally a particular organic solvent
申请人:L'OREAL
公开号:US10524992B2
公开(公告)日:2020-01-07
The present invention relates to a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, in which said fibres are treated using one or more cosmetic compositions comprising a) one or more dyes chosen from synthetic direct dyes and dyes of natural origin, b) one or more titanium salts and b1) optionally one or more particular carboxylic acids, c) one or more cellulose-based polysaccharides, d) optionally one or more organic compounds that are liquid at 25° C., with a Hansen solubility parameter value δH<16 (MPa)1/2 at 25° C., e) optionally one or more chemical oxidizing agents such as hydrogen peroxide or one or more hydrogen peroxide-generating systems.
本发明涉及一种对角蛋白纤维,特别是人类角蛋白纤维(如头发)进行染色的工艺,在该工艺中,使用一种或多种化妆品组合物对所述纤维进行处理,这些组合物包括 a) 一种或多种染料,这些染料选自合成直接染料和天然染料;b) 一种或多种钛盐和 b1) 可选的一种或多种特定羧酸;c) 一种或多种纤维素基多糖;d) 可选的一种或多种有机化合物,这些有机化合物在 25°C 时为液态,汉森溶解度参数值δH<16(MPa)1/2;e) 可选的一种或多种化学氧化剂,如过氧化氢或一种或多种过氧化氢、e) 可选的一种或多种化学氧化剂,如过氧化氢或一种或多种过氧化氢生成系统。