Skin care composition
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United States of America Patent
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May 29, 2018
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app pub date -
Mar 10, 2015
filing date -
Apr 14, 2014
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Abstract
A skin care composition is described comprising water-soluble dye polymer comprising polymer backbone having negatively charged reactive dye substituent covalently bound thereto; and cosmetically acceptable carrier. The dye polymer is present in amount of 0.00001 to 0.1% in terms of reactive dye substituent by weight of the skin care composition. The composition is useful for providing cosmetic benefits such as skin lightening, evening skin tone and masking blemishes.
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