Our Vitamin C eye patch contains hyaluronic acid, vitamin C, collagen. It enhances skin firmness and improves fine lines and sagging. Its application is simple: 1. Clean the eye area and pat dry. 2. Remove the eye mask and fit along the outline of the eye. 3. Gently press the edges of the patch with your fingers to make sure the patch is snug and free of air bubbles. Hyaluronic acid binds to collagen to provide deep nutrients and moisture to the skin around the eyes. Vitamin C is effective in improving dullness, reducing dark circles and making the eye skin glow.