A multi-functional corrective serum to help amplify skin's hyaluronic acid levels. Key Components 10% Proxylane 2.0% Licorice Root Extract (dipotassium glycyrrhizate) + 0.2% Purple Rice Extract 1.3% Hyaluronic Acid Indication SKIN CONCERN: Dehydrated, Aging How to use Once or twice daily, apply 4-6 drops to the palm of the hand and dab onto forehead, cheeks, chin, and neck. Blend the product into skin. If using in the morning, apply after a SkinCeuticals vitamin C antioxidant serum and before a SkinCeuticals sunscreen. If using with a retinol at night, apply after retinol.