Specifically formulated for sensitive skin this serum protects replenishes and visibly improves skin tone to keep sensitive skin looking younger for longer about the brand since its launch in 2000 ren has become a cult favourite giving you ground breaking product formulation the latest hi tech actives rigorous product testing and clinically proven results ren uses only 100 plant and mineral derived actives and is free from skin unfriendly synthetic ingredients item details protects a