Sunscreen products play a major role in protecting the skin against damages related to UV exposure. To maintain the maximum level of protection, it is recommended to renew applications every two hours.
To determine the remanence of this type of products over time, to compare the substantivity of different formulations, Dermscan offers a simple and fast approach. Acquisitions made with UV light using VISIA® reveal the fluorescence of porphyrins on the skin.
This fluorescence disappears immediately after application of a sunscreen and reappears gradually following the elimination of the product.
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