Dermabrasion is a technique that uses a wire brush or a diamond wheel with rough edges (called a burr or fraise) to remove the upper layers of the skin. The brush or burr rotates rapidly, taking off and leveling (abrading or planning) the top layers of the skin. This process injures or wounds the skin and causes it to bleed. As the wound heals, new skin grows to replace the damaged skin that was removed during dermabrasion.
The face is the most common site for treatment, but other areas of the skin can be treated as well. Dermbrasion is used most often to improve the appearance of acne scars and fine lines around the mouth. It also may be used to treat an enlarged nose (rhinophyma) caused by rosacea, an inflammatory skin condition.