Avène Hydrance Intense Rehydrating Serum has the following features: Restores and replenishes skin’s moisture reservoirs for 24 hours of hydration with this unique oil-free serum enriched with a high concentration of soothing and calming Avène Thermal Spring Water. Helps prevent water from evaporating from the skin. Soothes tightness, tingling sensations and discomfort associated with dehydrated skin. Provides powerful antioxidant protection. For very dehydrated sensitive skin types.