Philips Sonicare ProtectiveClean 4300

Our verdict

The ProtectiveClean 4300 is a sound choice if you prefer a sonic brush with a conventional-shaped head, want a pressure sensor and travel case, and can buy genuine heads on offer. Pay around £60 to £65, not Philips's listed £139.99.

If running costs matter most, an Oral-B with Pro heads is cheaper to own. A 2026 analysis that compared types of brush, not individual models, ranked oscillating-rotating brushes slightly ahead of sonic ones, with both ahead of manual brushes.

Which model this is

This review covers the ProtectiveClean 4300, model HX6800/87: a black handle with one W2 Optimal White head, a charger and a travel case. Other HX68 model numbers are the same brush in different colours or bundles. For example, an Argos listing for model HX6803/03 came with a C2 Optimal Plaque Defence head instead of W2. Check the head and whether a case is included.

On 29 October 2026, Philips's UK shop listed the HX6800/87 at £139.99 but showed it out of stock. Amazon UK had it in stock at £64.99, and idealo showed offers from £59.90 on 26 October.

Pressure sensor

According to Philips's manual, when you press too hard the handle changes its vibration, so the brushing feels different, and Philips's product page says it also makes a gentle pulsing sound. It does not stop brushing or show a warning light. The sensor is on by default and can be switched off in the handle settings.

For a sonic brush this matters, because the technique is different from scrubbing. Philips tells you to hold the bristles against the teeth and gumline at a slight angle, let them flare slightly, and move in small back-and-forth motions. The sensor is a useful reminder if you are switching from a manual brush or an Oral-B and tend to press.

BrushSync

BrushSync is a microchip in compatible Philips heads that pairs with the handle. When you attach a new BrushSync head, a light blinks green three times. The handle then tracks how long you have used that head and how hard you press, and lights up amber when Philips thinks it is time to replace it.

In practice, it is a replacement reminder that adapts to your brushing rather than a fixed three-month timer. It only works with Philips heads that carry the BrushSync chip, and it can be switched off. Philips's general advice is still to replace a head every 3 months or sooner if worn.

Modes, timer and EasyStart

• One mode, two intensities. Clean mode runs for two minutes at low or high intensity. Press the power button a second time within two seconds to switch.
• Timer. A beep every 30 seconds prompts you to move to the next quarter of your mouth, and the brush switches off at two minutes.
• EasyStart. This gradually increases power over the first 14 brushings. Philips says its clinical results were achieved at high intensity with EasyStart off, so it is worth turning off once you are used to the brush.

Philips says the W2 head whitens teeth in one week by removing surface stains. That is a manufacturer claim about surface stain removal, not a change to the natural colour of your teeth.

Charging and battery

Philips says the battery lasts up to 14 days. The manual says to charge it for at least 24 hours after first use. A battery light shows green when charged, flashes amber with three beeps when low, and flashes amber with two sets of five beeps when there are no brushing sessions left. The battery is lithium-ion and not user-replaceable.

The UK charging base has a two-pin plug for a bathroom shaver socket, so use a shaver adaptor in an ordinary three-pin socket. Philips sells a replacement UK charging base if you lose yours, and the manual says a damaged charger cord cannot be repaired.

Brush heads and three-year cost

The 4300 takes standard Sonicare click-on heads. Philips's head listings say they fit all Sonicare handles except the Philips One and, depending on the head, Kids or Essence handles. The W2 Optimal White, C2 Optimal Plaque Defence and S Sensitive heads all fit.

On 29 October 2026 Philips's own shop listed W2 and C2 4-packs at £34.50 to £34.99, but showed them out of stock. A price-comparison site showed W2 4-packs from £18.50.

We have not used very cheap marketplace listings, because it is hard to tell whether they are genuine and the manual says to use only heads Philips recommends.

Twelve heads are needed over three years; the one in the box means you buy 11, which is still three 4-packs, with one spare. Delivery charges are not included, and the £34.50 packs were out of stock on Philips's shop that day. For comparison, Oral-B Pro heads were £10.49 to £19.50 per 4-pack on the same day, or about £31 to £59 for three packs.

How it compares

Philips says the 4300 removes up to 7 times more plaque than a manual brush with the W2 head. Independent evidence is more modest. A 2026 analysis of 19 trials ranked oscillating-rotating brushes first and sonic brushes second for reducing plaque and gum inflammation, with both ahead of manual brushes. The NHS says a manual brush is just as good if you clean every surface properly.

Prices are sale prices on the date shown and change often. For a dearer Oral-B with app tracking and a charging case, see our Oral-B iO9 review.

Who should choose it

• Choose the 4300 if you prefer a sonic brush or find round heads awkward, and want pressure feedback and a case without paying for an app.
• Choose an Oral-B Pro 1 or iO2 if lower running costs, or the research ranking of oscillating-rotating brushes, matter more to you.
• Keep your 4300 if you already own one. We found no evidence that replacing a working brush would improve cleaning, and genuine heads are worth buying in multipacks on offer.

During aligner treatment

The travel case and two-week battery help if you need to brush away from home before putting your aligners back in. Philips says the brush is safe with braces, fillings, crowns and veneers, and notes that heads wear out sooner when used on braces. Keep the brush for your teeth, and clean your trays separately as described in our guide to cleaning aligners.

How this review was put together

This review first appeared on Aligners.co in March 2021, and the photo is from that review. This update is based on Philips's product page, product leaflet and the ProtectiveClean 4300 user manual, published research and UK retailer listings checked on 26 to 29 October 2026. We did not retest the brush for this update. See more electric toothbrush reviews.