Oral-B PRO Sensitive Clean, 4 pc, Replacement brush heads unisex, The Oral-B PRO Sensitive Clean replacement toothbrush heads help you to get the best results from your oral hygiene. Changing the heads regularly guarantees you are always cleaning your teeth as effectively as with a new brush. Characteristics: cleans teeth even in hard-to-reach places easy to change removes plaque coloured bristles indicate when you need to replace the brush head brushes teeth more effectively than a manual toothbrush How to use: Attach the replacement head to the appropriate brush and click into place. Rinse the brush head thoroughly under running water after every use. Replace the brush head regularly, ideally every 3 months.