CLINICAL SKIN PolyPeptide Firming Serum - 1.7 oz / 50 ml An award-winning, age-defying serum designed to address signs of aging. Formulated with multi-tasking peptides, antioxidants, ceramides, and hyaluronic acid. Clinically proven* to: Increase skin firmness and elasticity by 29.7% ...

CLINICAL SKIN Vitamin C Pro-Collagen Serum 1 oz / 30 ml C and feel the difference. This powerful antioxidant-rich serum is clinically proven to minimize the signs of aging, while firming, increasing elasticity, reducing the appearance of fine lines and ...