公开(公告)号：US20240299284A1

公开(公告)日：2024-09-12

申请号：US18549841

申请日：2022-03-10

Applicant: L'Oreal

Inventor： Lindsay Menzer ,  Alexis Liard ,  Charlotte Delostal ,  Victtoria Djaidi

IPC: A61K8/88 ,  A61K8/33 ,  A61Q5/08

CPC classification number: A61K8/88 ,  A61K8/33 ,  A61Q5/08

Abstract: The present invention relates to a process for removing colour from hair keratin fibers, comprising the application of at least one colour-removing composition to hair keratin fibers which have been coloured beforehand using at least one hair colouring composition comprising: at least one (poly)carbodiimide compound; and at least one colouring agent chosen from pigments, direct dyes and mixtures thereof; said colour-removing composition comprising: at least one glycol ether; and optionally at least one alkyl or alkylene carbonate.

公开(公告)号：US20240173242A1

公开(公告)日：2024-05-30

申请号：US18549858

申请日：2022-03-10

Applicant: L'Oreal

Inventor： Victtoria Djaidi ,  Charlotte Delostal

IPC: A61K8/84 ,  A61K8/81 ,  A61K8/898 ,  A61Q5/06

CPC classification number: A61K8/84 ,  A61K8/8152 ,  A61K8/898 ,  A61Q5/065

Abstract: The present invention relates to a composition for colouring hair keratin fibers, in particular the hair, comprising: —at least one (poly)carbodiimide compound; —at least one non-carboxylic anionic thickener; and —at least one colouring agent chosen from pigments, direct dyes, and mixtures thereof. The present invention also relates to a process for colouring hair keratin fibers and also to a device for colouring hair keratin fibers.