Skinceuticals H.A. Intensifier is a multi-beneficial corrective serum proven to amplify skin’s hyaluronic acid levels. This unique formulation contains a high concentration of pure hyaluronic acid, proxylane™, and botanical extracts of licorice root and purple rice to support skin’s hyaluronic acid levels and deliver surface hydration, helping improve the visible appearance of firmness, smoothness, and facial plumpness. Ingredients: Please be aware that ingredient lists for the products of our brand are updated regularly. Please refer to the ingredient list on your product package for the most up to date list of ingredients to ensure it is suitable to your personal use. Directions: Once or twice daily, apply 4-6 drops to the palm of the hand and dab onto freshly cleansed skin. Blend and massage the serum into skin.