The requirements of an effective sunscreen include high solubility of organic filters in the vehicles, efficient dispersion of physical filters, absence of crystallization afte rapplication onto the skin surface and lack of aggregation phenomena of micronized powders in the product. Moreover, an effective sunscreen requires an appropriate load of inorganic filters as well as their optimum wetting and the formulation of the transparent limit layer (i.e. the residual layer on the skin that cannot be further thinned by massage) over the skin surface.
Hydrogenated Polydecences and High-SPF Physical Sunscreens
August 27, 2009
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microHA—Super Active, Low Molecular Weight Hyaluronic Acid (HA) with Outstanding Biological Efficacy — Bloomage Biotechnology USA Inc.
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