Formulated to leave sensitive reactive skin optimally hydrated calmed soothed 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 how to use gently massage onto clean face and neck until absorbed hydrates and replen