What it is: A facial mask designed for sensitive skin to help soothe, strengthen and repair in just 20 minutes.Who it's for: Ideal for all skin types, especially sensitive.What it does: The Y Theorem Bio-Cellulose Mask is infused with ingredients that hydrate, protect and perfect skin for a truly calmer complexion. The superior Bio-Cellulose material, also use to treat burn victims, acts as a second skin that encourages superior penetration of ingredients including calming sea anemone, ectoin to