This hydrating and lightweight caffeine under-eye cream can help to instantly reduce the appearance of puffiness, dark circles and fine lines under the eyes. Caffeine, a natural antioxidant derived from coffee, acts as a diuretic and can help to relieve water retention, a major cause of puffiness under the eyes. The added Matrixyl 3000 peptide can help reduce the appearance of fine lines and the smooth texture provides a perfect canvas for make-up.