Polyamino salts of alpha-hydroxyacids, alpha-ketoacids and related compounds
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United States of America Patent
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Jun 20, 1995
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app pub date -
Jan 28, 1994
filing date -
Jan 28, 1994
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Abstract
Cosmetic compositions are described wherein .alpha.-hydroxyacids, .alpha.-ketoacids and related compounds are formed into amine salts through neutralization with a multi-amine functionalized polymer. Particularly preferred are glycolic acid and lactic acid salts of poly(ethylenimine).
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