Skin DNA: Sunscreens do provide protection

Sunscreens protect the skin from sunburn, of course. But can they effectively prevent skin DNA damage due to exposure to UV rays, a phenomenon that starts to occur before sunburn appears? Pharmaceutical company Laboratoires Pierre-Fabre turned to a team of INAC researchers specialized in the field to find answers. The researchers developed very sensitive analysis tools capable of detecting 20 femtomoles in a sample.
In work conducted with King’s College London, around 20 sunscreens were tested on skin biopsies, reconstituted skin, and suction blisters. The results? Sunscreens do have a measurable protective effect proportionate to their SPF. Therefore, they do prevent the physical and chemical mechanisms that cause skin cancer. One more reason to use sunscreen on the ski slopes this winter!

Contact: thierry.douki@cea.fr

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