Oral-B PRO Cross Action, 4 pc, Replacement brush heads unisex, Show off your dazzling smile and perfectly clean teeth. Oral-B PRO Cross Action toothbrush replacement head will help you achieve the best possible results with your oral hygiene. Replacing your brush head on a regular basis ensures the same effectivity of brushing you’d get with a new toothbrush. Characteristics: removes plaque coloured bristles indicate when you need to replace the brush head cleans teeth even in hard-to-reach places massages gums gently and improves their condition 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.