Patent ID: 7708785
Filing Date: 2010-05-04
Classification: A61K,A61Q

Abstract:
1. Process for colouring and permanently shaping keratin fibres especially human hair comprising the following steps a—applying a first aqueous colouring composition based on at least one hair direct dye and not comprising any oxidative dye precursors and/or couplers onto hair rinsing off from hair with water after processing 1 to 45 min at a temperature of 20 to 45° C. and towel drying, b—placing the towel dried hair on curlers, c—applying an aqueous reducing composition comprising at least one reducing agent onto hair rinsing off from hair with water after a processing time of 2 to 30 min at ambient temperature and towel drying, d—applying a composition comprising at least one oxidizing agent onto hair processed for 2 to 15 min and removing curlers from hair and optionally rinsing off from hair with water and optionally towel drying, and e—applying a second aqueous colouring composition based on at least one hair direct dye and optionally mixed with a composition comprising at least one oxidizing agent onto hair rinsing off from hair with water after processing 5 to 45 min at a temperature of 20 to 45° C. and drying the hair.