Methods and compositions for improving the quality and durability of color in artificially colored hair
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United States of America Patent
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Dec 12, 2017
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Nov 16, 2017
app pub date -
May 12, 2016
filing date -
May 12, 2016
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Abstract
The present disclosure relates to compositions and methods for improving the quality and durability of color in artificially colored hair. The methods employ alkaline earth metal salts that act as a mordant (a fixing agent) with hair dye and salts of hydroxy-polycarboxylic acids, which act as chelators. Methods are described wherein the alkaline earth metal salts or the salts of hydroxy-polycarboxylic acids are used in a pre-color treatment (a treatment to the hair prior to artificial coloring), used as part of a coloring composition, and used in a post-color treatment (a treatment to the hair after artificial coloring).
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