[Double & Zero] Double Care Solution Mask - Hyaluronic Acid 10ea + Introller DOUBLE&ZERO - DOUBLE CARE SOLUTION MASK Volume : 30g * 10ea This mask is rich in hyaluronic acid， which helps to restore moisture in the skin， leaving skin feeling more hydrated and supple， while also promoting skin turnover. Hyaluronic Acid is like an amino acid found in connective tissue in the body. It attracts and stores moisture equivalent to 200 times its size and 1000 times its weight