USE OF AN AMINE AND/OR A QUATERNARY AMMONIUM COMPOUND FOR PROTECTING COLOUR OF ARTIFICIALLY COLOURED HAIR WITH RESPECT TO THE WASHING AND PROCESS THEREFORE
The present invention relates to the use of amine and quaternary ammonium compounds for protecting hair colour of artificially coloured hair with respect to the washing, according to general structureR1-A-R2—Bwherein R1 is a saturated or unsaturated, straight or branched alkyl group with 8 to 24 C atoms, R2 is a straight or branched alkyl group with 1 to 4 C atoms, A is a group selected from O, COO and CONH and B is selected from R3NR4 and R7N+R5R6X−R3 and R4 are the same or different, H or an alkyl with 1 to 4 C atoms, hydroxyl alkyl with 1 to 4 C atoms and dihydroxyl alkyl with 2 to 4 C atoms, R5, and R6 are the same or different, an alkyl with 1 to 4 C atoms, hydroxyl alkyl with 1 to 4 C atoms and dihydroxyl alkyl with 2 to 4 C atoms, R7 is an alkyl with 1 to 4 C atoms, hydroxyl alkyl with 1 to 4 C atoms or dihydroxyl alkyl with 2 to 4 C atoms or-A-R1 wherein R1, A and R2 have the above meaning and X is an anion such as chloride, bromide, and methosulfate.
