The product contains Lactobacillus and 70.2% 300Da Collagen (Type 1, 3, 21). It is the secret to a glowy face and Korean glass skin; and has been clinically proven to tighten pores, increase skin elasticity, lifts face, hydrates skin, boost collagen production and refine skin texture. It is a mask that is meant to be used at the last step of skincare. Apply only a thin layer, let it dry and then peel it off after about 20 mins. No need to wash off. Recommended to use 2-3 times a week.