Olay Super Serum 5-in-1 Anti-Aging Facial Serum Smoothing Skin Care All Skin Types 1.0 fl oz. Our Concentrated formula with 5 Powerful ingredients: Niacinamide Vitamin C and Collagen Peptide Vitamin E and Alpha Hydroxy Acid (AHA) penetrates deep into your skin surface and absorbs quickly without leaving a sticky or tacky feeling for healthier looking skin day 1. Clinically tested across diverse skin tones and types. Don not forget to use SPF in the daytime to protect your skin from the #1 cause of premature aging - the sun. Great skin care is our superpower.