Method of using hydroxycarboxylic acids or related compounds for treating skin changes asociated with intrinsic and extrinsic aging
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United States of America Patent
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May 9, 2000
Issued Date -
N/A
app pub date -
Nov 4, 1998
filing date -
Dec 23, 1986
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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