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Cosmetic Patented by L’Oréal

June 2, 2014

US Patent No. 8,685,419 B2; L’Oréal, Paris, has been awarded a patent for a cosmetic composition that is comprised of, in an cosmetically acceptable medium, at least one colorant comprising an inorganic fibrous matrix with tunnels; and at least one organic dye compound incorporated at least partially in the tunnels; wherein at least 30% of the total weight amount of organic dye is included in the channels of the fibrous matrix, the organic dye compound is an indigoid, and a weight ratio of organic dye compound to inorganic fibrous matrix is greater than or equal to 0.028, wherein the inorganic fibrous matrix and the organic dye compounds are submitted to a thermal treatment.
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