Patent ID: 9339451
Filing Date: 2016-05-17
CPC Classification: A45D,A61K,A61Q

Claim Text:
1. A method for colouring hair comprising the steps of: i) mixing a developer composition with a dye composition to obtain a non-diluted hair colouring composition, wherein the developer composition comprises one or more oxidizing agents and the dye composition comprises one or more oxidative dye precursors and/or one or more alkalizing agents; ii) applying a first portion of the non-diluted hair colouring composition obtained in step i) to the hair and retaining a second portion of the non-diluted hair colouring composition obtained in step i); iii) mixing the second portion with a dilutant composition comprising water and/or a non-aqueous liquid at a mixing ratio of less than about 1:2 to obtain a diluted hair colouring composition; iv) applying a portion or all of the diluted hair colouring composition to the hair.