| http://www.w3.org/ns/prov#value | - It will be recognized that in some cases, particularly with colored facial skin care products such as blushes, blemish covers, lipsticks and the like, the formulation will be designed to be visible on the skin; in such cases, it is desirable that the cation component itself be ???invisible,??? that is, that it not adversely change the appearance of the overall formulation as applied to the skin. [
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