Hair Colouring Composition
Present invention relates to a composition for oxidative colouring hair based on oxidative dye precursors and coupling substances further comprises at least one branched fatty alcohol, at least one non-ionic emulsifier and at least one compound according to the formula wherein R 1 is an saturated or unsaturated alkyl chain having 11 to 23 C atoms, R 2 and R 3 are the same of different an alkyl chain having 1 to 4 C atoms and n is a number between 1 and 4 and/or its salts.
1 . Composition for oxidative colouring hair based on oxidative dye precursors and coupling substances characterised in that it comprises at least one branched fatty alcohol, at least one non-ionic emulsifier and at least one compound according to the formula
wherein R1 is an saturated or unsaturated alkyl chain having 11 to 23 C atoms, R 2 and R 3 are the same of different an alkyl chain having 1 to 4 C atoms and n is a number between 1 and 4 and/or its salts.
2 . Composition according to claim 1 characterised in that at least one branched fatty alcohol is chosen from octyldecanol, octyldodecanol, isocetyl and isostearyl alcohols.
3 . Composition according to claim 1 characterised in that at least one non-ionic emulsifier is a fatty alcohol ethoxylate.
4 . Composition according to claim 1 characterised in that the compound according to the formula in claim 1 is chosen from stearamidopropyldimethylamine, palmitamidopropyldiethylamine, palmitamidopropyldimethylamine, behenamidopropyldimethylamine and/or their salts.
5 . Composition according to claim 1 characterised in that it comprises at least one direct dye.
6 . Composition according to claim 1 characterised in that it comprises additional fatty alcohol
7 . Composition according to claim 1 characterised in that it comprises at least one cationic surfactant of the following formula
where R 8 is a saturated or unsaturated, branched or non-branched alkyl chain with 8-22 C atoms or
R 12 CONH(CH 2 ) n
where R 12 is saturated or unsaturated, branched or non-branched alkyl chain with 7-21 C atoms and n has typical value of 1-4 or
R 13 COO(CH 2 ) n
where R 13 is saturated or unsaturated, branched or non-branched alkyl chain with 7-21 C atoms and n has typical value of 1-4, and
R 9 is H or unsaturated or saturated, branched or non-branched alkyl chain with 1-22 C atoms or
R 12 CONH(CH 2 ) n
or
R 13 COO(CH 2 ) n
where R 12 , R 13 and n are same as above,
R 10 and R 11 are H or lower alkyl chain with 1 to 4 Carbon atoms, and X is typically chloride, bromide, methosulfate.
8 . Composition according to claim 1 characterised in that it comprises at least one organopolysiloxane wherein at least one silicium atom is linked to an alkylene group having a hetero-atom, in particular a nitrogen atom, with a poly-(N-acyl alkyleneimine) units of the formula
wherein n is a number from 1 to 5 and R 14 is hydrogen, a C 1 -C 12 -alkyl or cycloalkyl, aralkyl or aryl group.
9 . Process for colouring hair wherein a composition according to claim 1 is mixed with an oxidizing composition comprising at least one oxidizing agent, preferably hydrogen peroxide and applied onto hair and processed for 10 to 45 min at a temperature of 20 to 45° C. and rinsed off from hair.
10 . (canceled)