A: Microdermal abrasion machines can only be operated by people with specific theoretical and practical training. Since this procedure is still relatively new, regulations regarding microbrasion certification vary from state to state. Generally speaking, for a person to perform professional in-office micro derma abrasion. one needs to conclude a supervised 14 to 30 hour training and pass a practical exam with the institution offering the course. This institution can be a large spa, a vocational school, a dermatology clinic, a beauty academy or a device manufacturer.