Composition and process for permanent waving

Expansible chamber devices

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Details

424 702, 132205, A61K 706, A61K 709

Patent

active

053784545

ABSTRACT:
A waving lotion for use in an exothermic permanent wave comprising an activator in an amount sufficient to provide an exothermic reaction, with an effective perming amount of a reducing agent, wherein the reducing agent is a combination of a more active reducing agent and a less active reducing agent in a ratio necessary to effect a reduction in hair damage, wherein the less active reducing agent is an ester of thioglycolic acid.

REFERENCES:
patent: 3768490 (1973-10-01), Kalopissis
patent: 4134411 (1979-01-01), Yamazaki
patent: 4158704 (1979-05-01), Baer
patent: 4913900 (1990-04-01), Kolc
patent: 5068102 (1991-11-01), Tennigkeit

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