INGREDIENTS: L-Ascorbic Acid, Maxogenol (Grape Skins, Green Tea Extract and Grape Seeds), Ethoxydiglycol, Butylene Glycol, L-Tyrosine, Fruit and Citric Acid Complex, Phenoxyethanol, Purified Water, and Methylparaben.Use twice daily. Apply after cleansing. If your skin is dry, once daily is sufficient. Your face and hands should always be cleansed prior to applying. After it is absorbed, follow with your moisturizer. Face, throat and chest are the most common ares that generally need Serum C. Although used under eye area, never apply close to lash area, corners of the eye, or eyelids. Any area of the body that has been exposed to the sun and is showing signs of premature aging would benefit from Serum C.ALLERGIES:The incidents of allergies to Serum C have been insignificant, however, as with any product, if your skin shows signs of sensitivity, rinse area with warm water amd discontinue use. If symptoms persist a skin care specialist should be advised. SUN EXPOSURE: Sunblock is highly recommended in order that further premature aging be avoided. Serum C is designed to work on improving existing sun damage, therefore, prevention of further damage is best.