Microdermabrasion (MDA) is a minimally invasive epidermal resurfacing procedure used to treat uneven skin tone/texture, photoaging, striae, melasma, and scars, including acne scars. It is widely available and one of the most common nonsurgical cosmetic procedures performed in the United States. MDA was first introduced in 1985 by Marini and Lo Brutto as a less aggressive alternative to chemical peels and dermabrasion. The MDA procedure can be performed in the outpatient setting (medical office, medical spa) by a trained clinician, aesthetician, medical assistant, or nurse without the use of anesthesia.
During the procedure, abrasive crystals are propelled against the skin under the control of a handheld vacuum system. The crystals cause gentle mechanical abrasion to the skin, which ultimately removes the stratum corneum layer of the epidermis. As part of the wound healing process, new epidermis forms with enhanced cosmesis. The technique is considered safe for all Fitzpatrick skin types and complications are minimal. In addition to the cosmetic benefits of MDA, studies have also shown improved skin permeability, and enhanced delivery of transdermal medications dosed on an area of the skin treated with MDA.
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