EP 4065079 A1 20221005 - METHOD FOR IMPROVING COLOUR RETENTION OF DYED KERATINOUS MATERIAL, ESPECIALLY HUMAN HAIR
Title (en)
METHOD FOR IMPROVING COLOUR RETENTION OF DYED KERATINOUS MATERIAL, ESPECIALLY HUMAN HAIR
Title (de)
VERFAHREN ZUR VERBESSERUNG DES FARBERHALTS VON GEFÄRBTEM KERATINISCHEM MATERIAL, INSBESONDERE MENSCHLICHEN HAAREN
Title (fr)
PROCÉDÉ D'AMÉLIORATION DE LA RÉTENTION DE COULEUR DE MATIÈRES KÉRATINIQUES COLORÉES, EN PARTICULIER DES CHEVEUX HUMAINS
Publication
Application
Priority
- DE 102019218228 A 20191126
- EP 2020075594 W 20200914
Abstract (en)
[origin: WO2021104700A1] The present invention provides a method for improving colour retention on keratinous material dyed using at least one pigment, where an after-treatment composition is applied to the dyed keratin material and optionally after a leave-on time is rinsed off again, characterized in that the after-treatment composition (N-1) comprises water, (N-2) has a pH of 7.0 to 12.5 and (N-3) comprises at least one salt of a divalent cation.
IPC 8 full level
A61K 8/898 (2006.01); A61K 8/19 (2006.01); A61Q 5/00 (2006.01)
CPC (source: EP US)
A45D 19/0066 (2021.01 - US); A61K 8/19 (2013.01 - EP US); A61K 8/898 (2013.01 - EP US); A61Q 5/004 (2013.01 - EP US); A45D 2200/25 (2013.01 - US); A61K 2800/4324 (2013.01 - US)
Citation (search report)
See references of WO 2021104700A1
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
DOCDB simple family (publication)
DE 102019218228 A1 20210527; CN 114727943 A 20220708; EP 4065079 A1 20221005; JP 2023504009 A 20230201; US 2023065004 A1 20230302; WO 2021104700 A1 20210603
DOCDB simple family (application)
DE 102019218228 A 20191126; CN 202080081167 A 20200914; EP 2020075594 W 20200914; EP 20772043 A 20200914; JP 2022530828 A 20200914; US 202017780372 A 20200914