Richelet Protection Cellulaire Selenium-Ace Essential 30+ 90 Tablets + 30 Free Tablets is a food supplement for cell protection combining:<br /><br />- selenium: an oligo element that contributes to protect skin's cells against oxidative damages which can be caused by pollution, stress, UV. It comes from an enriched yeast for a better assimilation in the organism,<br />- vitamins C and E: antioxidant able to neutralize free radicals and to protect cells against oxidative stress,<br />- vitamin A contributes to the cellular differentiation process.