Microdermabrasionworks on all skin types and colors. It makes subtle changes, causing no skin color change or scarring. It is not effective for deeper problems such as scars,stretch markswrinkles or deepacnescars. With microdermabrasion, there is less down time than with dermabrasion. Skin is temporarily pink but fully recovers within 24 hours. It doesn't require surgery or anesthetics. That may help people who cannot take "down time" for healing.