ROHTO Hada Labo Gokujun Perfect Mask 20 Sheets is an all-in-one mask that can perform 5 functions in 1 sheet: lotion, essence, milky lotion, cream, and mask. The mask is made with a three-layered sheet that is thick enough to hold in plenty of moisture and feels good on the skin and contains four hyaluronic acids (moisturizing ingredient)*, squalane (moisturizing ingredient), ceramide (moisturizing ingredient), and sacran (moisturizing ingredient). The thick mask delivers moisture deep into the stratum corneum, leading to glowing skin that absorbs moisture. The mask is slightly acidic, fragrance-free, colorant-free, mineral oil-free, and alcohol (ethanol)-free. Hydrolyzed hyaluronic acid (nano hyaluronic acid), Na acetyl hyaluronic acid (super hyaluronic acid), Na hyaluronic acid, Hydroxypropyltrimonium hyaluronate (skin-absorbing hyaluronic acid)