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US 4,283,386 AGranted
Method for hair care
OwnerEugene J. Van Scott, Ruey J. Yuinventors
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OwnerEugene J. Van Scott, Ruey J. Yuinventors
Estimating the term…
Preventive as well as therapeutic treatment to alleviate the symptoms of disturbed keratinization, consisting of the topical application of a solution, gel, lotion, cream, ointment, stick, powder or spray containing one or more cysteic acid compounds, is disclosed. The compounds include free acid, ammonium salt, amine salt, metal chelate and metallic salt forms of cysteic acid, cysteine sulfinic acid and homocysteic acid. The efficacious compositions may include the active ingredients present in a total amount of from 0.1 to 30 percent by weight. Topical application to affected areas has been found to achieve from a substantial to a complete remission of dry skin, keratoses, warts and palmar and plantar hyperkeratosis. Used as a hair dressing, the compositions have been found to give the hair excellent grooming and luster.
A method for hair grooming comprising topically applying to the hair a cosmetically effective amount of a composition containing from about 0.2 to 10% by weight of at least one compound selected from the group consisting of cysteic acid, cysteine sulfinic acid and homocysteic acid and chelates of said compound with at least one metallic compound selected from the group consisting of ferric chloride, copper sulfate, cooper carbonate, zinc sulfate, zinc oxide, zinc chloride, aluminum chlorohydrate, and aluminum zinc sulfate.
A method for hair grooming comprising topically applying to the hair a cosmetically effective amount of a composition containing from about 0.2 to about 10% by weight of at least one compound selected from the group consisting of a reaction product of cysteic acid, cysteine sulfinic acid and homocysteic acid and a base selected from the group consisting of an organic primary, secondary, or tertiary alkylamine, alkanolamine, diamine, dialkylamine, dialkanolamine, alkylalkanolamine, trialkylamine, trialkanolamine, dialkylalkanolamine, or alkydialkanolamine wherein the alkyl or alkanol substituent has from 1 to 10 carbon atoms, an organic quaternary ammonium hydroxide compound, sodium hydroxide, and potassium hydroxide.
Dependencies are inferred from the claim text.