You should choose an electrologist with the same care as you choose a physician, dentist, or any personal services. Be sure your Electrologist is a Certified Professional Electrologist (CPE) and displays his/her CPE. Certificate. Be sure your Electrologist is a member of the American Electrolysis Associarion and his or her state organization. The membership should be current and the dated certificate of membership should be on display.