EP 4251124 A1 20231004 - METHOD FOR COLOURING/BLEACHING AND GENERAL HAIR TREATMENT
Title (en)
METHOD FOR COLOURING/BLEACHING AND GENERAL HAIR TREATMENT
Title (de)
VERFAHREN ZUM FÄRBEN/BLEICHEN UND ZUR ALLGEMEINEN HAARBEHANDLUNG
Title (fr)
PROCÉDÉ DE COLORATION/DÉCOLORATION ET TRAITEMENT GÉNÉRAL DES CHEVEUX
Publication
Application
Priority
- IT 202000028265 A 20201124
- IB 2021059391 W 20211013
Abstract (en)
[origin: WO2022112876A1] The invention is a method for dyeing and/or bleaching hair, including the use of a solution containing hydrogen peroxide and at least one dye belonging to at least one class of polymer azo dyes so as to form a coloured oxidizing solution. The present patent concerns also the coloured oxidizing solution and the mixture in two phases to be mixed at the moment of application, wherein the first phase is said coloured oxidizing solution and the second phase comprises one or more precursors.
IPC 8 full level
A61K 8/49 (2006.01); A61K 8/86 (2006.01); A61Q 5/10 (2006.01); C09B 69/10 (2006.01)
CPC (source: EP)
A61K 8/4986 (2013.01); A61K 8/86 (2013.01); A61Q 5/10 (2013.01); C09B 67/0083 (2013.01); A61K 2800/4324 (2013.01); A61K 2800/882 (2013.01)
Citation (search report)
See references of WO 2022112876A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DOCDB simple family (application)
IB 2021059391 W 20211013; EP 21794998 A 20211013