Dr Tung's Ionic Toothbrush Replacement Brush Heads are designed to provide a superior clean for your teeth and gums. The brush heads feature a unique ionic technology that helps to reduce plaque and bacteria build-up, while also providing a gentle massage to your gums. The bristles are made from soft, high-quality nylon that is gentle on your teeth and gums, while still providing a deep clean. The brush heads are compatible with all Dr Tung's Ionic Toothbrushes, and come in a pack of four. To use the brush heads, simply attach them to your Dr Tung's Ionic Toothbrush and brush your teeth as normal. The brush heads should be replaced every three months, or sooner if the bristles become worn or frayed. The brush heads are designed to be used with toothpaste, and should be rinsed thoroughly after each use. For international buyers, the brush heads are available in a variety of sizes to suit different mouth shapes and sizes. Dr Tung's Ionic Toothbrush Replacement Brush Heads are the perfect way to keep your teeth and gums healthy and clean. With their unique ionic technology and soft bristles, they provide a deep clean while still being gentle on your teeth and gums. The brush heads are easy to use and replace, and come in a variety of sizes to suit different mouth shapes and sizes.