Made with 97% naturally derived ingredients, the By Terry Hyaluronic Flash Eye Patch instantly hydrates, visibly brightens and noticeably smooths the under eyes. Working in just 20 minutes, the eye mask features an 8 Hyaluronic Acids Complex to plump the skin with moisture and reduce the appearance of fine lines, alongside niacinamide helping to protect against dark circles. Antioxidant-rich caffeine lends an energising effect, supporting an awakened illusion with a firmer-looking finish.