111SKIN Y Theorem Bio Cellulose Facial Masks Box of 5 | 111skin's y theorem bio cellulose facial mask is a hydrating sheet mask designed to soothe, support and strengthen stressed skin for a repaired and rejuvenated appearance. Encompassing the 20 years' experience of harley street cosmetic surgeon yannis alexandrides, the original reparative range from 111skin incorporates the brand's antioxidant-rich nac y? active ingredient complex - a ground-breaking system inspired by the body's wound healing process for accelerated strengthening and repair as well as a tangible youth boost. Originally used to treat burn victims, bio cellulose is a second-skin material that encourages regeneration and penetration of ingredients. This, paired with a blend of superior natural and synthetic active ingredients, supports the appearance of a plumper, brighter and calmer complexion when used up to three times per week. ?i have been using bio-cellulose in wound repair throughout my medical career due to its ability to adhere to the dermis like a second skin. With fibres 500x finer than tissues masks, bio cellulose can lock hydration into the skin while encouraging superior penetration of active ingredients. ' dr yannis alexandrides md, 111skin founder and plastic surgeon