Y Theorem Repair Serum NAC Y2: The hero product that started 111SKIN — this serum protects and repairs stressed skin, visibly reducing the appearance of fine lines and wrinkles. Reduce Redness & Fine Lines: Containing NAC Y2, the formula provides skin with the optimum conditions for enhanced collagen, elastin and hyaluronic acid production. How to Use: Apply one pump morning and evening on clean, dry skin. Rich in texture, only a small amount is required to nourish the skin. It is also excellent for use on scarring. NAC Y²: A complex that includes a trio of actives with superior antioxidant capabilities, one of which stimulates the production of Glutathione – the body’s most powerful intracellular antioxidant. 111SKIN: Skincare formulated to deliver a no filter confidence. 111SKIN is the leading global skincare brand that is surgically inspired, science led and drives clinical results. #309,878 in Beauty & Personal Care ( ) #5,521 in