T1 Collagen Cream Mask Peel off face mask with collagen. An innovative film forming mask formulated with 65 % of hydrolyzed collagen to help improve skin texture and reduce the signs of aging over time. The mask also has vitamins and antioxidants to balance, soothe, and polish the skin. The mask uses flexible nanovesicles to deliver the hydrolyzed, small collagen molecules deep into the skin.