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Thread: Sunless tanner dramatically increases UV damage!!

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    God/dess princessjas's Avatar
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    Exclamation Sunless tanner dramatically increases UV damage!!

    So all those tanning lotions with bronzers are basically doubling our skin damage and photoaging!! Basically we need to wait 24 hrs after application if we want to avoid excessive sun damage. ACK, I'm a sunless tanner junkie.

    A 2007 study showed that skin treated with dihydroxyacetone in similar concentrations to those in sunless tanner, produced 180% more free radicals when exposed to UV light than untreated skin. Erythulose produced similar results. There is some evidence that treatment with an antioxidant cream can somewhat negate this effect, but the concentrations would undoubtably have to be MUCH higher than anything available at a reasonable price.

    I apologize, but I am unable to find the original article about this. I found the study results last winter while researching tretinoin's effect on DNA degradation and the shortening of telomeres, but decided to wait for summer tanning season to post. There is however a short note about it on wiki under Safety Considerations.

    http://en.wikipedia.org/wiki/Dihydroxyacetone

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    God/dess Athenathefabulous's Avatar
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    Default Re: Sunless tanner dramatically increases UV damage!!

    and im actually just getting ready to test out this sunlabs sunless tanner stuff after i shower...

    beats tanning beds at least. thanks for the information though... i will wear sunscreen tomorrow

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    Default Re: Sunless tanner dramatically increases UV damage!!

    omfg is this forreal? I need a parasol. I need to constantly cover myself 24/7 what's the point of having a damn tan if I'm better off wearing pants, turtleneck, and a flobby sun hat?

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    Featured Member Winged Dinghy's Avatar
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    Default Re: Sunless tanner dramatically increases UV damage!!

    I'm so glad I'm terminally pale.

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    Featured Member MarvelGirl's Avatar
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    Default Re: Sunless tanner dramatically increases UV damage!!

    I don't trust wikipedia as a source so I'm not worried. I also always wear 60 SPF sunscreen even with the self tanner so I feel pretty protected.

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    God/dess princessjas's Avatar
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    Default Re: Sunless tanner dramatically increases UV damage!!

    Quote Originally Posted by MarvelGirl View Post
    I don't trust wikipedia as a source so I'm not worried. I also always wear 60 SPF sunscreen even with the self tanner so I feel pretty protected.
    I actually found the research paper online last winter while researching the effects of tretinoin on cell life-span and the shortening of telomeres. It is a real study, I only included the link to the wiki article because I was too lazy to find the original published results and because past experience has taught me that when I post anything too technical I just get a "Whoa!" response and a few questions. Wiki is written in easy to understand language for those that may not have a scientific background.
    "I hear you calling and it's needles and pins. I wanna hurt you just to hear you screaming my name...You're poision. but I don't wanna break these chains.... I wanna love you but I'd better not touch."

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    God/dess Gia2608's Avatar
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    Default Re: Sunless tanner dramatically increases UV damage!!

    Yeah but anyone can write on Wiki. I mean I do know about the correlation between telomerase length and aging but a sulf-tanner just goes onto the skin and doesn't really go too deep, I don't really see it. Plus self-tanner has been around since at least the 1970's, plus they've gotten better with age. Do you mean right after applying it?
    XoXo Gia
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    God/dess princessjas's Avatar
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    Default Re: Sunless tanner dramatically increases UV damage!!

    Quote Originally Posted by Gia2608 View Post
    Yeah but anyone can write on Wiki. I mean I do know about the correlation between telomerase length and aging but a sulf-tanner just goes onto the skin and doesn't really go too deep, I don't really see it. Plus self-tanner has been around since at least the 1970's, plus they've gotten better with age. Do you mean right after applying it?
    I didn't find the info on wiki. I found the actual research paper published online last year....since it was winter I didn't post it, but thought I would wait until summer tanning season when more people would find the information useful. If I feel like it later today or tomorrow I will go hunting for it.

    Yes, it is apparently 24 hrs after applying it and I believe the original paper said it also causes an increase in free radicals if you have had UV exposure in the 8 hrs prior to application. This shouldn't be much of a surprise. Even though DHA does not penetrate deep into the skin, it is shown to cause some mild DNA degredation on it's own. Applying an anti-oxidant rich lotion before application was shown to reverse this effect I believe.

    EDIT - Found a great summary report of the study. Will look for the detailed paper later. Gotta make dinner.

    http://www.ncbi.nlm.nih.gov/pubmed/18024196
    Last edited by princessjas; 06-25-2009 at 03:31 PM.
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    God/dess Gia2608's Avatar
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    Default Re: Sunless tanner dramatically increases UV damage!!

    Know I know you had your own research. I was referring to MarvelGirl's post about Wikipedia, which is true of ANY wiki. I should have quoted her but I was a little lazy. Sorry, I wasn't trying to argue with you I wanted a little clarification because I use sunless tanner on my face to avoid wrinkles so I was shocked!
    But if you have it on after the first day or so you're good to go in the sun?
    XoXo Gia
    Danielle Fishell (the Dish): "If the Super-Star thing doesn't work out, Gia makes a great stripper name"

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