pers is an innovative French brand looking to simplify skincare by creating universal products that enable everyone to organise their routine and understand what is actually necessary to achieve beautiful, healthy and radiant skin. Retinol is a vital part of any skincare routine, and the brand's Retinol Serum uses concentrated 0. 3% Pro-Retinol, adapted to sensitive skin, to combat the signs of ageing, irregular skin texture and dryness.