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Shiseido patents oil-cleansing composition.

* U.S. 7,879,779 B2; Shiseido Co., Ltd., has patented an oil-based cleansing composition. It is comprised of a nonionic surfactant having a HLB of 8 to 10 and an oil component. The IOB of the oil component is 0.02 to 0.07, and the mass ratio of first component (A) and second component (B) is 1:4 to 2:1. The oil-based cleansing composition satisfies the following conditions: the amount of water in the composition is less than 5% by mass, and a micellar aqueous solution phase or a bicontinuous microemulsion phase is formed when said oil-based cleansing composition and water arc mixed in the ratio of 4:6. The micellar aqueous solution phase is optically isotropic exhibiting a clear to slightly blue, translucent appearance, and the bicontinuous microemulsion phase is optically isotropic exhibiting a transparent appearance.
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Title Annotation:Patent Review
Publication:Household & Personal Products Industry
Date:Mar 1, 2011
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