On™ for Her Arousal Gel Coffee Cake 1 fl. oz. Bottle ON Arousal Gel provides the same warm, vibrating sensation you feel with ON Arousal Oil, now in an easy-to-use, mess-free, water-base safe formula! Containing the same unique, natural ingredients found in ON Arousal Oils, ON Arousal Gel creates an exciting sensation that pulsates and vibrates when applied to the clitoris. ON Arousal Gel even makes most women feel as though they are lubricating MORE!