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PI Physik Instrumente - Revolution In Photonics Align ROSLB 3/24

Testing the efficacy of sunscreens

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Gary Boas

Avoiding painful sunburn isn’t the only reason to apply sunscreen when you hit the beach. Exposure to the ultraviolet radiation of the sun can lead to other health problems, including immunosuppression, radical formation and skin aging as well as to skin cancer. However, the sun protection factor (SPF) used to determine the efficacy of sunscreen doesn’t necessarily have relevance to all of these risks. Researchers determine the SPF of a sunscreen by quantifying the redness of the skin that occurs with UV irradiation, but this particular biological response is the result primarily of...Read full article

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    Published: November 2007
    biologicalBiophotonicsNews & Featuresspectroscopyultraviolet radiationUV spectrum

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