vitamin C ADVANCED PLUS anti-wrinkle booster serum with 15% pure Vitamin C* and 2x Hyaluronic Acid” enriched with anti-oxidants to help promote radiant skin and effectively reduce the appearance of wrinkles and signs of aging effectively. Wrinkles look less visible and skin? appears to be visibly glowing. Paraben-free. Suitable of all skin types. Here’s how to use: Perform a patch test before use, apply a small quantity of product on the cleaned skin on the upper forearm, test for 24 hours prior to use. If you develop any irritation during or after the test, r?nse off and do not use the product. After cleansing, apply 3-4 drops with your finger tips onto your face. Use once per day (AM or PM) avoiding eye and lip area. For best results, we recommend following with Boots vitamin C ADVANCED PLUS serum and day or night cream. WARNINGS: May cause a tingling sensation. Do not apply to irritated or broken skin. Avoid contact with the eyes. If product gets into the eyes rinse well with water immediately. If this becomes uncomfortable or irritation occurs, wash your skin thoroughly and discontinue to use. Patch test for 24 hours prior to use. Do not use the product if any irritation is observed during or after the test.This is not a food. Keep out of reach of children.