Sunscreen, Part II: Physical versus Chemical, Alternatives, and Possible Detriments


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Products with avobenzone or oxybenzone should not be used on children. Photo source: http://maine.gov As described by Dr. Leslie Baumann in Cosmetic Dermatology, there are two different categories of sunscreens: physical sunscreens, which scatter or reflect UV radiation, and chemical sunscreens, which absorb UV radiation and then dissipate the radiation as either heat or light, usually of longer wavelength that does not affect the skin. Physical sunscreens are advantageous over chemical sunscreens because they are rarely associated with... read more