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Leveling Hair Color Composition

Published January 24, 2013
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US Patent No. 8,298,296 B2; Jonathan Wood, Weinheim, Germany; Ovidiu Feier-Iova, Darmstadt, Germany; Achim Scholl, Darmstadt, Germany; and Axel Blake, Mühltal, Germany, have patented an aqueous composition for leveling hair color. It is comprised of at least one fatty acid salt, and one or more nonionic surfactants. The pH of the composition is between 5 and 12.

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