公开(公告)号：US20220183940A1

公开(公告)日：2022-06-16

申请号：US17599440

申请日：2020-03-27

Applicant: L'OREAL

Inventor： Leila Hercouet ,  Simon Donck ,  Henri Samain

IPC: A61K8/23 ,  A61Q5/10 ,  A61K8/02

Abstract: The present invention relates to a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, comprising the successive application to said fibres (i) of a composition (A) containing at least one peroxygenated salt and (ii) of a substrate including a surface totally or partially coated with at least one layer containing one or more oxidation dyes; said process does not use any hydrogen peroxide during the application of the substrate to the fibres.

公开(公告)号：US12239726B2

公开(公告)日：2025-03-04

申请号：US18013659

申请日：2021-06-30

Applicant: L'Oreal

Inventor： Mickaël Agach ,  Henri Samain ,  Simon Donck ,  Ambre Souvirou ,  Leila Hercouet

IPC: A61Q5/10 ,  A61K8/44 ,  A61Q5/08 ,  A61Q5/12

Abstract: The present invention relates to a process for dyeing or bleaching keratin fibers, comprising the application to the keratin fibers of a composition comprising a high content of one or more particular amino acids followed by the application of a dyeing or bleaching composition.