Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use
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United States of America Patent
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Mar 23, 1999
Issued Date -
N/A
app pub date -
Dec 29, 1997
filing date -
Aug 15, 1989
priority date (Note) -
Expired
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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.
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