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Philips Sonicare brush heads: check replacement around three months

Philips recommends replacing Sonicare brush heads about every three months under typical twice-daily use, or when indicator bristles wear. Match the head to your model and clean the handle connection regularly.

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Bristles can spread and wear even while a brush head still seems usable. Philips support describes a three-month interval for normal twice-daily use, blue indicator bristles and reminders on some models. Replacement systems are model-specific; heads for other brands or ranges should not be assumed compatible.

Your try-it-at-home checklist

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Find the exact Sonicare handle model on the device or manual and select a compatible replacement head.
Record the start date. Philips suggests roughly three months with usual twice-daily use, but check the model's directions and your actual usage.
Look for fading blue indicator bristles, splayed bristles and other damage. Replace a worn head sooner than three months if necessary.
Switch the toothbrush off and remove the old head as directed. Do not force or scrape the metal shaft and rubber seal with sharp tools.
Following Philips guidance, rinse the underside and connection with warm water, wipe the handle with a damp cloth, then fit the correct new head. Never spray the charger with water.
Rinse the head after brushing and store it where it can dry. Do not put toothbrush parts in a dishwasher; if the model has a reminder, also inspect the real bristle condition.

Your try-it-at-home checklist

Further reading

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