Fight signs of ageing with the murad retinol youth renewal serum a fast absorbing breakthrough formula that works to minimise the appearance of fine lines and wrinkles powered by retinol tri active technology a fast acting retinoid a time released retinol and a retinol booster the lightweight serum delivers a firming effect to smoothen and refine skin whilst hyaluronic spheres provide long lasting hydration for a radiant glow swertia flower extract increases resilience to reveal a lumi