Use Suggestion1. Please start to adapt from half an hour for the first time use. After adaptation, you can use it for 2-8 hours a day according to your personal situation. Use for less time if you feel unwell.2. You must persist in using it and the effect is obviousWarm Tips1. It is recommended to buy more than 2 sets for replacement and replacement, which can prolong the service life of the product.2. Those with oily skin and those who sweat easily, clean the face mask before and after wearing it.