100% natural cotton (cellulose) sheet with excellent adhesion. - Hydrolyzed collagen strengthens the skin barrier and improves skin elasticity to make your skin smooth. ​ Benefits of Collagen Sheet Masks 1. Hydrates Skin Collagen sheet masks provide intense hydration to dehydrated skin, making it feel soft and supple again. 2. Treats Dull, Dry Skin Collagen sheet masks can help replenish the natural oils in your skin and leave your skin feeling toned and hydrated. 3. Infuses Skin with Collagen Collagen sheet masks with Type I hydrolyzed collagen allow collagen peptides to absorb into your skin. 4. Reduces Wrinkles and Fine Lines Promote collagen production reducing and preventing fine lines as wrinkles as you age. 5. Speeds Skin Healing