Microdermabrasion (often referred to as microderm) is a cosmetic procedere popular in day spas (salons), doctors practices, and medical spas, in which the stratum corneum (dead outermost surface of the skin) is partially or completely removed by light abrasion. partcles and removed material are vacuumed off trough the handpiece trough which the abrasive particles come. Microdermabrasion is used to remove sun-damage skin and to remove or lessen scars and dark spots on the skin. The procedure is not very painful and requires no anaesthetic. Microdermeabrasion can also be used for treatment of acne, but must be repeates periodically to be effective.