Nacreous Colorant for Keratin Fibers
U.S. Patent No. 7,465,322: Wella AG, Darmstadt, Germany, has been awarded a U.S. patent for a nacreous colorant. The colorant is comprised of a dye carrier composition with a nacreous luster in which the carrier composition contains oxidative dyes and/or nonoxidative dyes, and a combination of, by weight, 6.1-20% of at least one fatty alcohol with 14 to 20 carbon atoms, 6.1-20% of at least one alkanolamide, 0.1-15% of at least one fatty alcohol alkoxylate or fatty acid alkoxylate, and 0.1-15% of at least one anionic surfactant. The weight ratio of said fatty alcohol to the alkanolamide is 0.5:2-2:0.5.
blog comments powered by Disqus