AQUEOUS WAX DISPERSIONS CONTAINING SUNSCREEN AGENTS
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United States of America Patent
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Issued Date -
Apr 17, 2014
app pub date -
Oct 15, 2012
filing date -
Oct 15, 2012
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Abstract
The present invention is directed to an aqueous dispersion comprising: (a) at least one solid wax particle having a particle size ranging from equal to or greater than 1 micron to about 100 microns, and comprising at least one wax having a melting point of greater than 35° C.; (b) a surfactant mixture comprising at least one nonionic surfactant and at least one ionic surfactant; (c) at least one sunscreen agent; and (d) water. The aqueous dispersion may be employed in compositions capable of delivering photoprotective benefits to various substrates, for example, keratinous substrates such as skin and hair.
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