| 摘要 |
Use of an amine or quaternary ammonium compound according to general structure
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR 1 -A-R 2 -B
wherein R 1 is a saturated or unsaturated, straight or branched alkyl group with 8 to 24 C atoms, R 2 is a straight or branched alkyl group with 1 to 4 C atoms, A is
or
and B is
or
wherein R 3 and R 4 are independently H, or an alkyl with 1 to 4 C atoms, hydroxyl alkyl with 1 to 4 C atoms or di hydroxyl alkyl with 2 to 4 C atoms. R 5 , and R 6 are independently, an alkyl with 1 to 4 C atoms, hydroxyl alkyl with 1 to 4 C atoms or di hydroxyl alkyl with 2 to 4 C atoms, and R 7 is an alkyl with 1 to 4 C atoms, hydroxyl alkyl with 1 to 4 C atoms, di hydroxyl alkyl with 2 to 4 C atoms or wherein R 1 , A and R 2 have the above meaning and X is an anion such as chloride, bromide, and methosulfate,
for protecting colour of artificially coloured hair with respect to washing.
A preferred compound is stearoxypropyldimethylamine.
A composition comprising such an amine or quaternary ammonium compound may be applied to hair immediatly after rinsing of a colouring composition.
A kit for protecting the colour of artificially coloured hair with respect to washing comprises a separately packed composition comprising such an amine or quaternary ammonium compound. |
