The New UVC-Protecting Sunscreens: To Buy or Ignore?

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Recently, sunscreens have started to appear on the market with a new “UVC” rating.  While UVA corresponds to the longest wavelength of ultraviolet light (approximately 320-400 nm) and is largely responsible for long-term skin aging and UVB is middle wavelength (280-320 nm) and creates skin erythema and burning, UVC is the shortest wavelength (approximately 100-280 nm) and been associated with acute sunburn, according to the journal Contact Dermatitis.  Yet, according to Dr. Ellen Marmur, M.D., chief of dermatologic and cosmetic... read more