Drug – bio-affecting and body treating compositions – Live hair or scalp treating compositions – Permanent waving or straightening
Patent
1994-05-18
1996-10-15
Bleutge, John C.
Drug, bio-affecting and body treating compositions
Live hair or scalp treating compositions
Permanent waving or straightening
424 704, 424 7051, A61K 709
Patent
active
055651925
ABSTRACT:
A process for permanently reshaping hair consists of applying an amino compound, an amidothiol compound or a salt of an amino compound or an amidothiol compound as a reducing agent to open the keratin bonds of hair and reforming the bonds using an oxidizing composition or aerial oxygen, wherein prior to or simultaneously with the application of the reducing agent, at least one alkali metal, alkaline-earth metal or ammonium bromide is applied to the hair as a doping agent for the reducing agent. A composition for carrying out the process contains at least one amino compound, amidothiol compound or a salt of an amino compound or an amidothiol compound as a reducing agent, at least one alkali metal, alkaline-earth metal or ammonium bromide as a doping agent for the reducing agent, and a suitable cosmetic vehicle. This process and composition enable improved qualities to be obtained in the permanent reshaping of hair, in particular improved curling.
REFERENCES:
patent: 3644084 (1972-02-01), Hsiung et al.
patent: 4192863 (1980-03-01), Kondo
patent: 4659566 (1987-04-01), Petrow
patent: 4749732 (1988-06-01), Kohl et al.
Burande Agn es
Duvault Yolanda
Leroy Fr ed eric
Malle G erard
"L'Oreal"
Bleutge John C.
Harrison Robert H.
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