Impulse Conductive Gel is glycerin-free, body safe gel meant to increase conductivity and enhance electro-stim sensation. Amplify sensation and take e-stimulation to the next level with this body-safe colloidal silver conductivity gel. \n Keep you electro-stim toys in tip-top condition, while getting the most of out each pulse with this silicone-friendly conductive gel. Our US made product is cruelty free and never tested on animals. Glycerin free, Paraben free, salt-free and dye-free.