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In vitro Water Resistance

The in vitro Water Resistance (WR) of sunscreens was tested by applying the same principle as in vivo, which determines the percentage of retention of sunscreen products by assessing the Sun Protection Factor (SPF) before and after water immersion. Based on a publication, this in vitro method for Water Resistance percentage assessment is a practical, convenient and relevant tool in terms of reproduciblity and correlation with in vivo values.

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Mininum Order Quantity 0
Identifier HeWR-1