Amphoteric compositions and polymeric forms of alpha hydroxyacid

Drug – bio-affecting and body treating compositions – Inorganic active ingredient containing – Heavy metal or compound thereof

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424691, 514 2, 514 12, 514 19, 514 23, 514114, 514349, 514399, 514419, 514518, 514561, 514562, 514567, 514532, 514547, 514558, 514941, A61K 2330, A61K 3170, A61K 3166

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050911716

ABSTRACT:
Preventive as well as therapeutic treatment to alleviate cosmetic conditions and symptoms of dermatologic disorders with amphoteric compositions containing alpha hydroxyacids, alpha ketoacids, related compounds or polymeric forms of hydroxyacids is disclosed. The cosmetic conditions and the dermatologic disorders in which the amphoteric compositions and the polymeric compounds may be useful include dry skin, dandruff, acne, keratoses, psoriasis, eczema, pruritus, age spots, lentigines, melasmas, wrinkles, warts, blemished skin, hyperpigmented skin, kyperkeratotic skin, inflammatory dermatoses, skin changes associated with aging, and skin requiring cleansers.

REFERENCES:
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patent: 4105782 (1978-08-01), Yu et al.
patent: 4363815 (1982-12-01), Yu et al.
patent: 4929722 (1990-05-01), Partain et al.
Juhlin, et al. Ger. Offenlegungshift 2,517,413, Chemical Abstracts vol. 84, 1976 Abs. 79710x.

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