The thermo-therapeutic gel mask offers a hot or cold facial treatment. Cold use: Place the mask in the refrigerator for 2-3 hours, then apply it to the face for 15 minutes of freshness. Hot use: Heat the mask in water at 80°C for 4 to 6 minutes, then apply it for 5-10 minutes of relaxation. This reusable mask is flexible and adaptable to all shapes thanks to its size and cutouts. Its Velcro strap allows for a perfect fit for optimal comfort. The certified non-toxic sodium polyacrylate gel ensures safe use. Product Benefits: - Reduces wrinkles, smooths and tightens the skin. - Tightens pores. - Relaxes, soothes, and relieves the skin. - Reduces signs of fatigue.