Compositions and Methods for Treating Damaged Hair

摘要

Compositions and methods are disclosed for repairing damaged keratin fibers or otherwise strengthening keratin fibers, including hair of the human scalp, and particularly hair that has been damaged chemically, physically, thermally or by other means. The compositions comprise 3,3′-thiodipropionic acid (TDPA) or a derivative thereof in a cosmetically acceptable vehicle.

主权项

1. A method for repairing damaged keratin fibers comprising applying to a keratin fiber in need thereof a composition comprising, in a topically acceptable vehicle, an effective amount of a compound having the structure of Formula (I):wherein, X is selected from —O—, —S—, —CH2—, —NH—, or —NRN— (where RN is methyl or ethyl) and R1 and R2 are independently selected from hydrogen, C1-22 hydrocarbon radicals, and counterions; for a time sufficient to improve the strength or overall appearance of said keratin fibers.