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    • 27. 发明申请
    • Composition to permanently reshape the hair containing at least one dicarboxydithiol
    • 用于永久地重塑含有至少一种二羧基二硫醇的头发的组合物
    • US20070009462A9
    • 2007-01-11
    • US11068851
    • 2005-03-02
    • Gerard MalleChristian Blaise
    • Gerard MalleChristian Blaise
    • A61K7/09
    • A61K8/447A61K8/46A61Q5/04
    • The present invention relates to an aqueous reducing composition, for the first step of a process to permanently reshape the hair, comprising in a cosmetically acceptable medium, as reducing agents, one or more dicarboxydithiols of general formula (I) and/or of general formula (II): wherein: R1, R2, R′1, R′2 independently represent OR3 or NR4R5, where R3 represents H or a linear or branched C1-C5 alkyl group optionally substituted by one or two OR7 radicals, where R7 represents H or a C1-C3 alkoxy radical, R4, R5 are independently H or a linear or branched C1-C5 alkyl group optionally substituted by one or two radicals selected from hydroxy, methoxy, ethoxy, methylamino, ethylamino and dimethylamino radicals, R1 and R2 not being simultaneously a hydroxyl radical and R′1 and R′2 not being simultaneously a hydroxyl radical; A either represents (CH2)n where n is an integer ranging from 1 to 4, or a —(CH2)m—X—(CH2)p— radical, where m is 1 or 2, p is 1 or 2 and X represents O, S, NHCO or NR6, where R6 represents H or CH3, and/or one or more organic and mineral salts thereof.
    • 本发明涉及一种水性还原性组合物,用于永久重塑毛发的方法的第一步骤,包括在化妆品可接受的介质中作为还原剂,一种或多种通式(I)和/或通式(I)的二羧基二硫醇 (II):其中:R 1,R 2,R'1,R“2个独立地表示OR 3或NR 4 R 5,其中R 3表示H或直链或支链C 1 任选被一个或两个OR 7个基团取代的C 1 -C 5烷基,其中R 7表示H或C 1和R'2不同时为羟基; A表示(CH 2)n N n其中n是1至4的整数,或 - (CH 2)2) m基团,其中m为1或2,p为1或2,X为O,S,NHCO(CH 2) 或NR 6,其中R 6表示H或CH 3,和/或其一种或多种有机和无机盐。