● Do not use on areas with an abnormality such as a wound, swelling or eczema. ● Use carefully to see if there are any abnormalities on your skin. Should this disagree with your skin, or should you observe any abnormalities such as redness, swelling, itchiness, irritation, color loss (white spots etc.) and skin darkening during use, or should you observe any similar abnormalities due to direct sunlight, discontinue use. Then consult a dermatologist. Symptoms may worsen if you continue to use. ● Be careful not to get this in your eyes. If it gets in your eyes, wash it off immediately. If any abnormalities remain, consult an ophthalmologist ● Do not use for a long time ● Do not sleep with the mask on ● Use the mask once opened immediately ● For hygiene reasons, do not reuse the mask once used ● Put the mask in water Do not flush it down the toilet because it does not melt. ● Do not place it in a hot place or in direct sunlight. ● Keep it out of the reach of children