Drug – bio-affecting and body treating compositions – Live hair or scalp treating compositions – Cationic surfactant containing
Patent
1998-03-16
2000-05-16
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Live hair or scalp treating compositions
Cationic surfactant containing
424 701, 424 74, 4241951, 424401, A61K 708
Patent
active
060633697
ABSTRACT:
Quaternized hemp seed oil is incorporated into cosmetic compositions, such as shampoos, hair conditioners, hair sprays, mousses, gel or sculpting lotions, pomades, and skin creams and lotions. The hemp seed oil is saponified and quaternized under gentle conditions, and in the substantial absence of oxygen, to avoid oxidation and cross-linking of essential fatty acids that provide biological benefit to the hair and skin. In a disclosed embodiment, saponification occurs in the presence of an alkali hydroxide catalyst, under a blanket of nitrogen gas at subatmospheric pressures. Subsequent quaternization is performed with a tertiary amine of the formula ##STR1## wherein R.sub.1 and R.sub.2 are each lower alkyl, and R.sub.3 is aliphatic alkyl having 8 to 22 carbons. In a specific embodiment, the quaternizing agent is dimethylcetylamine. When incorporated into skin and hair care compositions, the resulting product exhibits surprising shine and conditioning properties, and provides essential fatty acids for biological maintenance and repair of skin and hair.
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Brooks Geoffrey
Pierce Deborah
Alterna, Inc.
Page Thurman K.
Seidleck Brian K.
LandOfFree
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