| http://www.w3.org/ns/prov#value | - Additional background on such products is provided by PCT application serial number PCT/US98/04474, filed Mar. 6, 1998 and published as WO 98/38973, incorporated herein by reference in its entirety.Pearlescent additives, also known as pearlizing agents, are added to beauty and personal care products such as hair and skin care products to provide a pearly appearance to the products.
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