Cosmetic products for the treatment of the hair or the skin, characterized by a certain content of new quaternary chitosan derivatives having the formula $(5,)$(M is from 0 to 0.5; n is from 0 to 6; q is from 0.005 to 3.0; p is from 10 to 50000; R1 is acetyl; R2 is -CH2CH(OH)-CH2-O- , -CH2-CH(CH2OH)-O- or -CH(CH2OH)-CH2-O-; R3 is (I) or (II); R4 is an alkyl comprising between 1 and 4 atoms of carbon; X is Cl, Br, J or CH3SO4). New quaternary chitosan derivatives as well as their production process are disclosed. Said chitosan derivatives have a good substantivity, particularly towards the capillary keratin, and exhibit hair reinforcing and conditioning properties.
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机译：用于治疗头发或皮肤的化妆品，其特征在于一定含量的新的季铵壳聚糖衍生物具有式$（5，）$（M为0至0.5; n为0至6; q为0.005至3.0; p为10至50000; R 1为乙酰基; R 2为-CH 2 CH（OH）-CH 2 -O-，-CH 2 -CH（CH 2 OH）-O-或-CH（CH 2 OH）-CH 2 -O-; R 3是（I）或（II）; R 4是包含1至4个碳原子的烷基; X是Cl，Br，J或CH 3 SO 4）。公开了新的季壳聚糖衍生物及其生产方法。所述壳聚糖衍生物具有良好的直接性，尤其是对毛细角蛋白而言，并且具有头发增强和调理性能。
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