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Sat May 14, 2011 2:20 am  |
They can Stardustdy, though most have not been tested. An example though of one which has been tested is SkinCeuticals CE Ferulic, which has been found to offer about the equivalent of SPF 8.
Even many oral antioxidants have been shown to provide some measurable protection. Heliocare is a quite famous one, providing somewhere around an SPF 4. Though that may sound low, when you think about the fact that it's protecting your whole body, it's actually not bad! Others include lycopene, beta-carotene and green tea. All have been shown to provide some level of cellular protection.
I have always (since I was about 14 years old - now 41) consumed large doses (in diet and through supplementation) of lycopene, beta-carotene and green tea (Heliocare over the past few years too) and despite sunbathing under the Australian sun for most of my life and not wearing sunscreen, have pretty good skin. Also, according to all my derms, I am a low risk candidate for skin cancers (this, also in spite of the fact that I have had a chronic immune disorder for more than 26 years now). Of course I can't say with any certainty that the good condition of my skin is due to the antioxidants, but I'd be surprised if they didn't play a significant role in it!
I have had such trouble with sunscreens, these days I only wear them when I know I'm going to be in the sun for a prolonged period of time with no chance of escape (like if I'm out sailing for the day). Otherwise, I rely upon topical and oral antioxidants, hats, wearing sensible clothing and staying in the shade at peak times (important as I now live in Malta, where the UV index is high during the winter and extremely high during the summer). |
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