Avon Patents Cosmetic With Encapsulated Pigments
Published February 4, 2013
• US Patent No. 8,277,785 B2; Avon Products has patented a method of imparting a cosmetic effect or a natural-looking cosmetic effect to skin or lips, that includes topically applying a cosmetic composition. The composition contains a cosmetically-acceptable vehicle and a plurality of spherical iron oxide pigment particles encapsulated by a layer of silicon dioxide enclosing the iron oxide pigment particle. The silicon dioxide encapsulant is about 3% to about 12% by weight of the encapsulated iron oxide pigment particles.
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