Neutrogena's potent 0.5% pure retinol in a skin-nourishing serum targets the look of even advanced signs of ageing. Directions and ingredients RETINOL PRO+ is recommended for retinol users and not for beginners. Every evening, apply 4-5 drops onto the palm. Use fingertips to gentle massage onto face in a circular motion. In the daytime, always protect skin with a Broad Spectrum SPF 30 sunscreen or higher. Isohexadecane, Dicaprylyl Carbonate, Pentaerythrityl Tetraethylhexanoate, PPG-15 Stearyl Ether, Triethyl Citrate, Polysorbate 20, Retinol, Fragrance, Tocopheryl Acetate, Bisabolol, BHT, Pentaerythrityl Tetra-di-t-butyl, Hydroxyhydrocinnamate.