Permanent waving compositions

Drug – bio-affecting and body treating compositions – Solid synthetic organic polymer as designated organic active... – Polymer from ethylenic monomers only

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424319, A61K 709

Patent

active

042725178

ABSTRACT:
A permanent waving composition which comprises N-carbamoylcysteine and which acts mildly on the human hair and skin and has outstanding stability during application and storage. When further incorporating cysteine, the composition posseses the advantages afforded by cysteine without involving the drawbacks attendant on the use of cysteine.

REFERENCES:
patent: 2841530 (1958-07-01), Andersen et al.
patent: 3242052 (1966-03-01), Sheffner
patent: 4139610 (1979-02-01), Miyazaki et al.
patent: 4153681 (1979-05-01), Shiba

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