Kimberly Sayer Tangerine & Calendula Healing Light Night Cream works overnight to balance oily and blemished skin. It helps to detoxify the lymph system to create internal cleansing and blemish control. The unique formula promotes healing of acne scars, dark marks and sun damage and gently hydrates the skin, and this anti-aging formula increases collagen production.This cream contains pure calendula, extracted using the super critical carbon dioxide process (which uses only natural gas) to render it at its optimum and most pure medicinal state.