公开(公告)号：US20250082555A1

公开(公告)日：2025-03-13

申请号：US18723242

申请日：2022-12-21

Applicant: L'Oreal

Inventor： Julie Bruyere ,  Karl Wunsch ,  Maud Mario

IPC: A61K8/34 ,  A61Q5/06 ,  A61Q5/10

Abstract: Process for dyeing keratin fibres using a cosmetic composition comprising propane-1,3-diol and a dyeing composition The present invention relates to a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, comprising the application to said fibres of an extemporaneous mixture of at least one cosmetic composition comprising propane-1,3-diol and at least one dyeing composition. The invention also relates to a multi-compartment device comprising at least one first compartment containing the cosmetic composition comprising propane-1,3-diol and at least one second compartment containing the dyeing composition.