Stop using the machine if any of the following problems are found : 1) If something goes wrong with the red area, it may swell up, itching, or irritation when used. 2) Application status due to direct sunlight 2. We need to consider everything. Be careful not to show the injured part, eczema, or dermatitis. 3. Precautions on Storage and Supply of Ethics Management 1) Use the product immediately after opening and do not store it as it may deteriorate. 2) Keep out of reach of children 3) Do not store the containers in a hot or cold place or under direct sunlight. 4. Don't use my product near my eyes. 5. Use only for external use, not warm underwear. 6. Do not use anything other than the product.