A plant-powered serum that delivers retinol-mirroring results, made suitable for sensitive skin. Formulated with Bidens Pilosa, REN's plant-derived alternative to retinol, it offers 5 skin benefits in 1, clinically proven to help skin look firmer, more even, plumper, smoother, and visibly reduces wrinkles. The REN Clean Skincare Bio Retinoid™ Youth Serum is powered by an age-defying bioactive blend of Bidens Pilosa, to help visibly firm skin and reduce the appearance of wrinkles and signs of ageing, while soothing and helping prevent irritation, plus Ceramides from Wheatgerm to help strengthen the skin barrier, and Niacinamide to help brighten and even skin tone and visibly reduce pigmentation.