Shiseido Vital Perfection Night Lift Define Radiance Night Concentrate Size:40 ml Glycolic acid is a key 813616015098 Glycolic acid is a key ingredient and IMAGE describes it as an alpha hydroxy acid that removes dead skin buildup for brighter Vitamin C contributes to normal collagen formation for the normal function of skin this unique night concentrate relies on 4 dimensional approaches:1) Skin's natural anti gravity system activation with Licorice extract2) Nighttime skin self regeneration3) Lock in texture for effective ingredients penetration4) Specific night sculpt massage for boosted effects* Clinically proven to reduce skin sagging in just 2 weeks*Based on Shiseido award winning discovery