DYEING AND LIGHTENING METHOD OF KERATINOUS SUBSTANCE IN THE PRESENCE OF FLUORESCENCE DISULFIDE DYE-CONTAINING REDUCING AGENT

摘要

PROBLEM TO BE SOLVED: To provide a new system free of fault of an existing bleaching method, which is used to dye with lightening effect the keratinous substance, especially such a human keratin fiber as hair.;SOLUTION: The invention relates to a dye composition containing the fluorescence disulfide dye, and related to a dyeing plus lightening method for keratin fiber using the dye composition. The invention further relates to the new fluorescence disulfide dye and its use for a lightening of the keratinous substance. The dye composition is able to achieve a long-lasting lightening effect.;COPYRIGHT: (C)2013,JPO&INPIT