This reusable mask is filled with glycerin gel beads that can be heated or frozen to give your skin multi-functional facials. Cryo therapy de puffs, reduces redness or the appearance of being tired, while Thermo therapy opens pores, stimulates circulation, and is deeply soothing. The mask is lined with a special soft lining to ensure the cold or hot facials do not irritate the skin. Heating can be done in a microwave by heating and checking at 10 second intervals; freezing can be done in a freezer..Targets concerns of redness, puffiness, and aging.~1000 uses.Vegan and cruelty-free Formulated without dyes, colorants, and perfumes.1 mask.To freeze, simple place in a freezer.To heat, place in microwave for 10 seconds or until warm.Place mask on face and wear for 10-20 minutes