"It's a new type of sheet mask serum that you've never seen before to make your skin supple and moisturised. Coming in a serum-like texture and designed to be used as an overnight mask, numbuzins’s No. 6 Deep Sleep Mask Serum restores radiance to lackluster skin with a formula in a high concentration of glacier water. Wake up to that coveted glow by applying two to three pumps onto face before sleep."