Non-gritty STAY-WET® formula allows for prolonged use without re-applicationnProduct of choice for ECG, TENS, monitoring and pediatrics Non-irritating, hypoallergenic, bacteriostatic Salt-free, no sodium ion transfernProduct of choice for conductive rubber/carbon electrodesnNot recommended for defibrillationnThe only salt-free and chloride-free electrically conductive gel, recommended for all electromedical procedures, except defibrillation. Salt-free characteristics make it particularly suitable for long-term applications. Spectra 360 differs significantly from all other electrically conductive media...it works by wetting the skin, thereby reducing skin resistance.