Obagi Professional-C Peptide Complex Serum 1 oz Professional-C Peptide Complex helps to minimize the visible signs of skin aging, promoting a healthy, youthful glow. This gentle, effective serum contains antioxidants, natural growth factors kinetin and zeatin, as well as Vitamin C, to improve the appearance of firmness, tone, fine lines and wrinkles. Directions: Apply 2-3 pumps to the face in the morning and evening. For optimal results, follow with Obagi moisturizer and sunscreen. Ingredients: Water, Prunus Amygdalus Dulcis (sweet almond) oil, caprylic/capric triglyceride, silica, stearic acid, PEG-12 glyceryl dimyristate, glyceryl stearate, PEG-100 stearate, tocopheryl acetate, phenoxyethanol, cetyl alcohol, panthenol, triethanolamine, carbomer, ethoxydiglycol, polyaminopropyl biguanide, disodium EDTA, polyurethane-40, ethyl-hexylglycerin, PPG-12/SMDI copolymer, kinetin, zeatin, citrus aurantium dulcis (orange) peel oil, tetrahexyldecyl ascorbate, sodium carboxymethyl beta-glucan, acetyl octapeptide-3, imidazolidinyl urea, camellia sinensis (green tea)leaf extract,hyaluronic acid, aloe barbadensis leaf juice powder, hydrochloric acid, magnesium ascorbyl phosphate, rubus idaeus (raspberry) leaf extract.