Dermabrasion is a procedure that uses a rapidly rotating abrasive wheel to grind away scars pigment spots, etc. of the skin for cosmetic purposes, commonly known as dermabrasion. Indications: 1. Scars: depressed scars after acne or chicken pox, raised linear scars or uneven lamellar scars, the raised part is ground away to make the scars level with the surrounding skin. 2, pigmentation spots: such as freckle-like nevus, coffee spots, nevus of Ota, etc. 3, tattoo: artificial tattoo, dust tattoo, tattoo eyebrow too thick, as long as the pigment in the skin within the shallow layer, skin grinding have certain effect.