Do not use ZIIP DOT if you are under 18, pregnant, subject to seizures or epilepsy, have cancer or tumours, or have a pacemaker, implanted defibrillator or other implanted electronic or metallic device. Do not use over swollen, infected or inflamed skin, cancerous lesions, broken capillaries or varicose veins, or across the chest. Consult your doctor first if you have heart problems, a severe medical illness or recent surgery. The device is for use on normal, intact skin only and must not be used on the eyelids, breasts, front of the throat or genitals. If you are using a prescription acne treatment, speak to your doctor before use.