公开(公告)号：US20250082556A1

公开(公告)日：2025-03-13

申请号：US18722400

申请日：2022-12-19

Applicant: L'OREAL

Inventor： Gabin VIC ,  Eric PARRIS ,  Pauline BURG

IPC: A61K8/365 ,  A61K8/46 ,  A61Q5/02

Abstract: The present invention relates to a process for removing colour from hair keratin fibres which have been dyed beforehand, comprising the application of at least one makeup-removing composition for removing colour to said hair keratin fibres which have been dyed beforehand using at least one hair dye composition comprising: at least one photocrosslinkable polymer including at least one photodimerizable group; and at least one colouring agent chosen from pigments, direct dyes and mixtures thereof; said makeup-removing composition for removing colour comprising: at least one surfactant, preferably an anionic or nonionic surfactant; and at least one acidifying agent; the pH of the composition being less than or equal to 5.5, preferably from 1 to 5.