FOREO Issa™ Hybrid Wave Replacement toothbrush headFor long term health of the entire oral cavity. A revolution in oral care. The FOREO Issa Hybrid Wave sonic toothbrush replacement head with silicone polymer bristle combination ushers in a new era of oral care by cleaning teeth, gums, tongue and cheeks in one and improving overall oral hygiene by up to 140%. For a game changing brushing experience. Properties: replacement head for the revolutionary sonic toothbrush FOREO ISSA 3 effectively cleans