Agents for reducing the damage to hair during bleaching and dyei

Drug – bio-affecting and body treating compositions – Bleach for live hair or skin

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8 102, 8 11, 8111, 252186, 260932, 424DIG3, 424 70, A61K 706, A61K 713, A61K 7135

Patent

active

041384784

ABSTRACT:
Compositions for changing the color of hair by the action (direct or indirect) of compounds therein which release nascent oxygen, do less harm to the hair when they have a content of a water-soluble 3-amino-1-hydroxypropane-1,1-diphosphonic compound. The compound can be in free acid or water-soluble salt or partial ester form. Hair which is pre-treated with one of the mentioned diphosphonic compounds is at least partially protected against the action of nascent oxygen.

REFERENCES:
patent: 3202579 (1965-08-01), Berth et al.
patent: 3542918 (1970-11-01), Berth et al.
patent: 3961634 (1976-06-01), Busch

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