Warning: current must never flow through the heart. Do not use if you have a pacemaker&#44; are pregnant&#44; if you suffer from epilepsy&#44; or on any broken or inflamed skin.<br /><br />ElectraStim's non-greasy electro conductive gel is a must when using cock/scrotum ElectraRings or the adjustable ElectraLoops. It ensures good electrical contact between the accessory and your skin which is essential in achieving the ultimate sensation. For External use only. Ingredients: Aqua water&#44; Potassium Chloride&#44; Sodium Carboxy Methyl Cellulose&#44; Glycerin&#44; Ethyl Hydroxybenzoate&#44; Ethanol. For external use only. 2 ounces.