Oxidation dyeing process using a substrate bearing at least one oxidation dye, several preservatives and an oxidizing aqueous composition

• Main Authors: TROUCHE CEDRIC, SAMAIN HENRI
• Format: Patent
• Language: Chinese; English
• Published: 21.08.2020
• Subjects: HAIRDRESSING OR SHAVING EQUIPMENT; HAND OR TRAVELLING ARTICLES; HUMAN NECESSITIES; HYGIENE; MANICURING OR OTHER COSMETIC TREATMENT; MEDICAL OR VETERINARY SCIENCE; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS

Oxidation dyeing process using a substrate bearing at least one oxidation dye, several preservatives and an oxidizing aqueous composition The present invention relates to a process for the oxidation dyeing of keratin fibres, in particular human keratin fibres such as the hair, comprising a step of application, to said keratin fibres, i) of a substrate comprising on its surface one or more oxidation dyes, one or more thiolated reducing agents and one or more organic reducing agents of reductone type, and a step of application, to said keratin fibres, ii) of an oxidizing aqueous composition comprising one or more oxidizing agents. The present invention also relates to a process for preparing said substrate. The invention also relates to an element in sheet form, pretreated by a composition comprising one or more oxidation dyes, one or more thiolated reducing agents, and one or more organic reducing agents of reductone type. 使用带有至少一种氧化染料的基底、多种防腐剂和氧化水性组合物的氧化染色方法。本发明涉及一种用于氧化染色角蛋白纤维、特别是人角蛋白纤维如头发的方法，包括向所述角蛋白纤维施用i)基底