Experience deep hydration with Rodan + Fields Active Hydration Serum. This white serum revitalizes your skin, leaving it smooth and refreshed. Quench thirsty skin. Instantly boosts hydration levels by 200% by drawing in hydration to the surface of the skin. Add to any Regimen for even better results. Recommended Usage: Once daily, in the PM for normal, combination, or oily skin. Twice daily, in the AM+PM for dry skin Size: 30 mL / 1.0 Fl. Oz. U.S. DETAILS What it is: A super-hydrating face serum that balances hydration levels and preps skin to better receive products applied after. Why you need it: Hydrated skin acts younger. This bestselling serum transforms dry skin into younger-looking, younger-acting skin that maintains continuous hydration for up to eight hours*.