Yiyangtongkang fever mask has the effects of improving skin color, firming skin and rejuvenating youth, and can also improve crow's feet, eye bags and dark circles. In order to achieve the best effect, you can use a mask after cleansing at night. Apply the mask to the face and keep it for 20-30 minutes to give full play to its efficacy. After using the mask once, you can feel the obvious improvement and nourishing effect of the skin.