Can I use the second-class medical device mask?

It works. According to the Usage Guide of Class II Medical Device Masks, Class II Medical Device Masks can help to repair the thermal injury of the basement, promote wound healing and restore the skin barrier. It is a product specially used in the medical field. If the skin is often dry and dehydrated, you can also use the second-class medical device mask, which has the functions of improving skin quality, nourishing skin, moisturizing and hydrating, and resisting oxidation, so you can use the second-class medical device mask.