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free radicals in sunscreen
  • buddha
    I read in the February issue of Allure that a scientific journal published study that found that ingredients and sunscreens can actually cause free radical damage. Can you help me make sense of these findings?
  • Apomes
    Oh it's a hot issue these days, but don't worry most companies include AOX in their sunscreen so you don't have to worry! Still a bit worried? Use a AOX-rich serum underneath your sunscreen!

    How come sunscreens causes Free radicals? I read it several days ago, but I thought it had something to do with the fact that sunscreen comes less effective as time goes by do that you have to re-apply it every two hours, if not the chemical sunscreen that penetrated your skin will create more Free radicals then normal.

    I have however no idea if that also could be the thing for other UVA filters such as Mexoryl SX, XL and Tinosorb S & M! Since only octylmethoxycinnamate, benzophenone-3 and octocrylene were tested aswell as Avobenzone in a other study that came to the same conclusion.

    Source: http://www.eurekalert.org/pub_releases/2006-08/uoc--scd082806.php

    When using Physical sunscreens such as ZnO and TiDiO you shouldn't be worried since they can't penetrate the skin, nano-technology or not (atleast that were the results from the European Project 'NanoDerm')

    Source: http://www.colipa.eu/nanotechnology.html?sid=49&smid=115
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