Fully contained in one sheet, Real essence! Some By Mi Real Care sheet mask contains enough amount of essence to be used one area where need moisture such as the face, neck, and clavicle. It uses a 100% plant-based cellulose sheet that is biodegradable and is not combined with any chemical fabric. It is a vegan certified sheet! Clear cell H sheet, made without the drawback of getting loose from its thinness spreads well at once.