Acidic two-bath type composition for permanent waving of hair

Details Acidic two-bath type composition for permanent waving of hair Acidic two-bath type composition for permanent waving of hair

A - Human Necessities

45

D

167/307

A45D 7/06 (2006.01) A45D 7/02 (2006.01) A45D 7/04 (2006.01)

Patent

CA 1085734

ABSTRACT OF THE DISCLOSURE An acidic two-bath type composition for the permanent waving and conditioning of human hair consists of an aqueous reducing agent solution containing 3 to 10 % by weight of a mercaptan acid and an aqueous oxidizing agent solution con- taining 1 to 10 % by weight of sodium bromate, potassium bromate, or hydrogen peroxide. The reducing agent solution has its pH adjusted with a base to a value 0.1 to 2.0 lower than the isoelectric point of the hair or scalp, and the oxidizing agent solution has its pH adjusted with an acid to a value 0.1 to 2.0 lower than the pH of the reducing agent solution, but not more than 3.0 lower than the isoelectric point.

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