A hydrating, soothing gel serum with botanical ingredients ideal to calm and hydrate skin while improving visual redness. Key Components Thyme, olive and cucumber Hyaluronic Acid Eucalyptus Leaf Indication Skin hydration How to use As needed, apply 2-3 drops to face, neck, and chest. Can be used on other areas of the body as needed. 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 application.