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Tue Apr 12, 2011 5:54 am  |
| brierrose wrote: |
| Oops, sorry that link doesn't work but if you do a search on Pubmed you can find the info if interested. HTH |
Brierrose,
I could only find 2 studies. Is it one of them that you are talking about?
"Chemical stability of adapalene and tretinoin when combined with benzoyl peroxide in presence and in absence of visible light and ultraviolet radiation."
http://www.ncbi.nlm.nih.gov/pubmed/9990414
"UVA is the major contributor to the photodegradation of tretinoin and isotretinoin: Implications for development of improved pharmaceutical formulations."
http://www.ncbi.nlm.nih.gov/pubmed/18093761 |
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Tue Apr 12, 2011 6:30 am |
| LoriA wrote: |
| Maybe I'm not understanding you properly, but I thought the reason we were to avoid wearing it in sunlight is because our skin would be more vulnerable, not the product. |
Light breaks down the active ingredient in RA, and even light bulbs are supposed to break it down somewhat. |
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| Fri Feb 14, 2025 2:49 am |
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