Potato peel has some medicinal value, it can reduce inflammation, pain, swelling and acne, as well as the effect of hair dye. Potato peel can be applied externally, as long as the skin does not break down, you can use potato peel externally, especially for small burns, you can put potato peel on the affected area to prevent inflammation and reduce pain in the affected area. Potato peels can make the swelling subside quickly. If you have acne and pimples on your face, you can treat them symptomatically by applying potato peels topically, mainly because potato peels are relatively rich in vitamin B2, which can accelerate the metabolism of inflammation on the skin surface and reduce the inflammation of the skin such as acne. Application of potato peel must be cautious and careful, not to be used on broken skin.