Palmitoyl oligopeptide and Palmitoyl tetrapeptide-7 are powerful amino acids that mimic fragments of human collagen and are beneficial when used on the skin for the reduction of fine lines and wrinkles. When used daily this Hyaluronic acid serum works as an age defying topical and a light moisturizer. Product is oil free, fragrance free, non comedogenic and can be used to acne prone skin. Please contact Medical Skin Aesthetics for a complementary sample of HyraPeptide gel.