Exponent has reimagined the legendary in the making, freshly compounded esthetician product for modern, convenient, at-home use. Exponent Beauty’s serums have an innovative form factor: Antioxidant Powders are activated with a Quadruple Hyaluronic Acid Hydrator in Exponent’s patented refillable, precision-dosed dispenser to deliver peak potency in every dose. Exponent bestseller is Time Rewind Retinol—delivering 0.25% Retinol in every fresh dose—the optimal concentration for great benefit without irritation even when used nightly by sensitive skin types. In clinical testing with measured instrumentation, 100% of subjects showed clinically significant decreases in global facial fine lines and wrinkles.