Drug – bio-affecting and body treating compositions – Solid synthetic organic polymer as designated organic active... – Polymer from ethylenic monomers only
Patent
1993-08-24
1994-11-08
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Solid synthetic organic polymer as designated organic active...
Polymer from ethylenic monomers only
424 72, 132223, A61K 706, A61K 709, A61K 711
Patent
active
053624874
ABSTRACT:
A single formula, mild permanent wave reducing composition and method of permanently waving or reshaping human hair that provides a strong, long lasting curl and leaves the hair soft while minimizing further damage to already damaged hair. The composition contains a cysteamine reducing agent compound selected from the group consisting of cysteamine, a cysteamine salt, and mixtures thereof; and a second reducing agent selected from the group consisting of a monothioglycolate; an alkanolamine salt of thioglycolic acid; a thiolactic acid; a thioglycolic acid; thioglycerin; salts of thiolactic acid; cysteine; a salt of cysteine; a sulfite; a hyposulfite; and a bisulfite. The cysteamine compound should be present in an amount of about 7.8% to about 9% by weight; and sufficient additional alkali, if necessary, to bring the pH of the composition to about 7.8 to about 8.8. Unexpectedly, the composition is applied to any type of hair, regardless of structural damage to the hair, resulting in the same degree of curl tightness and softness and can be applied much more frequently than prior art permanent wave compositions without significant damage to the hair.
REFERENCES:
patent: 2577710 (1951-12-01), McDonough
patent: 2577711 (1951-12-01), McDonough
patent: 5208014 (1993-05-01), Dubief et al.
German Offen. DE 3,631,991 (See CA Selects: Cosmetic Chemicals, Issue 1, 1989, 109:236730h).
Abbott Richard A.
Borish Edward T.
Nandagiri Arun
Nardone Renee E.
Azpuru Carlos
Helene Curtis Inc.
Page Thurman K.
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