COMPOSITE POWDER, METHOD OF PRODUCING THEREOF AND COSMETIC COMPOSITION CONTAINING THE SAME
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United States of America Patent
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Sep 28, 2017
app pub date -
Mar 2, 2017
filing date -
Mar 22, 2016
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Abstract
The present invention relates to a method of producing a composite powder. A porous powder is physically covered by collagen and chitosan sequentially, thereby forming the composite powder. The composite powder has good dispersity, an ability of moisture retention and a low greasiness while being added in an oil-in-water emulsion base or a hydrogel base to form a cosmetic composition.
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