◇Use it 2-3 times a week before moisturizer (emulsion/cream). ◇Do not place heavy objects on the mask or store it upright. ◇Please use the mask immediately after taking it out of the bag. For hygiene reasons, do not reuse a mask that has been used once. ◇ Do not go to bed with the mask on your face. ◇Be careful not to let the mask liquid get into your eyes. If it gets in, wash it off immediately with cold or lukewarm water. ◇Do not place in direct sunlight or high temperatures. ◇The liquid may drip when using, so be careful not to stain your clothes. ◇Those who are sensitive to adhesive plaster, poultices, etc., should avoid using this product.