Guanidine hydroxide composition for waving hair

Details Guanidine hydroxide composition for waving hair Guanidine hydroxide composition for waving hair

Category

A - Human Necessities

Subcategory

61

Subsubcategory

K

CPC

167/308

IPC codes

A61K 7/09 (1980.01)

Type

Patent

Patent number

CA 1106288

Description

ABSTRACT OF THE INVENTION Compositions and methods for curling hair and for straightening hair are disclosed, wherein the compositions contain, as the principal active ingredient thereof, guanidine hydroxide. The guanidine hydroxide may be conveniently prepared by reacting calcium hydroxide and guanidine carbonate. Hair is curled by contacting the hair with the composition while the hair is on curlers, or otherwise maintained in a curled configuration. After the desired treatment time, the hair is rinsed and neutralized, with long lasting curls of the so-called "permanent wave" nature resulting. Hair may be straightened by contacting the hair with the composition and maintaining the hair in a generally straight configuration over at least a portion of the time that the hair is contacted by the composition. Thereafter the hair may be rinsed and neutralized.

Application Number

318443

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