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Project title Determine the effectiveness of a sunscreen product by measuring the extinction coefficient of its active ingredients.
Difficulty Level High school
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Description
The compound melanin is produced in skin cells and absorbs strongly in the UV region. Melanin pigments your skin, resulting in darker skin after extended exposure to sunlight. The sunscreen industry markets its products with SPF (Sun Protection Factor) ratings. We can test the various SPF ratings by measuring their absorbance and use UV sensitive materials to see the effectiveness of different sunscreens.  
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