Hair relaxer compositions

Details Hair relaxer compositions Hair relaxer compositions

1993-07-21

1996-10-15

Venkat, Jyothsna

Drug, bio-affecting and body treating compositions

Inorganic active ingredient containing

Elemental sulfur or compound thereof

424702, A61K 709

Patent

active

055652166

ABSTRACT:
The present invention relates to a two-component hair relaxer system comprising (a) a first component comprising a cream base containing a water-soluble salt of a relatively strong base with an anion capable of being precipitated by an alkaline earth metal ion under highly alkaline conditions, and (b) a second, separate component, which is substantially free of water, and containing an alkaline material having an alkaline earth metal ion which forms a precipitate with the anion when the first component and second component are mixed.

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patent: 4304244 (1981-12-01), de la Guardia
patent: 4314572 (1982-02-01), de la Guardia
patent: 4324263 (1982-04-01), de la Guardia
patent: 4373540 (1983-02-01), de la Guardia
patent: 4390033 (1983-06-01), Khalil et al.
patent: 4416296 (1983-11-01), Meyers
patent: 4524787 (1985-07-01), Khalil et al.
patent: 4680300 (1987-07-01), Nelson et al.
patent: 4898726 (1990-02-01), Beste
patent: 4950485 (1990-08-01), Akhtar et al.
patent: 5068101 (1991-11-01), Akhtar et al.
patent: 5077042 (1991-12-01), Darkawa et al.

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