ECG: Apply gel to entire electrode site with gauze pad. Rub into skin lightly. Rub off excess with clean gauze pad. Apply proper electrode gel and electrode. EEG: Apply gel to electrode site on scalp with cotton swab. Rub lightly. Apply electrode paste and electrode over the gel. Wash skin promptly after use. Usage note: This gel is abrasive and should be used with care not to overabrade the skin. It is not recommended for use with current inducing electrodes such as defibrillator or neuro-stimulating equipment. Not to be used on patients with a history of skin allergies to cosmetics and lotions. Topical use only. GEL102 Ten20 Conductive Gel (Tube, 114 grams/40 oz.) GEL102$7.50 Same Day Shipping - orders with UPS Red or Blue shipping will be shipped the same day if received by 3 p.m. PT (Monday-Friday).