Philips Sonicare S2 Sensitive replacement toothbrush heads (HX6056/88) – Black, 6-pack

The essentials

If you’ve got sensitive teeth and gums, the brush head matters as much as the handle. The Philips Sonicare S2 Sensitive HX6056/88 is a genuine replacement set designed to keep cleaning effective without being overly harsh on the mouth. It’s aimed at the everyday reality of brushing: getting plaque out where it hides, while keeping each stroke gentle.

On paper, this head leans into two things: very soft, long bristles (described as ultra-soft and thin) and Sonicare’s brushing action. The brand also highlights dense bristle packing (more than 3,000 bristles) and Sonicare fluid action that helps move fluid between teeth and along the gumline. If you’re currently using Sonicare and simply want a head that’s kinder on sensitivity, this is the sort of replacement you’re meant to swap in regularly.

One small limitation to be aware of: sensitivity is personal. Even when a head is marketed as gentle, some people may still find they need to adjust technique, pressure, or brushing routine.

Key features that affect how it feels

The most noticeable difference with a “sensitive” head is the bristle approach. Here, Philips talks about ultra-soft bristles and a design intended to make every brush stroke kind. That’s the practical angle: less scrubbing with rigid bristles, more comfortable contact while still cleaning.

There’s also the Sonicare motion side. The description references up to 62,000 bristle movements and Sonicare fluid action. In day-to-day terms, that should translate to a more thorough clean than many manual brush heads can manage, especially in places that are fiddly to reach.

What it’s like for cleaning and plaque removal

Philips claims removal of up to 10x more plaque than a manual toothbrush in hard-to-reach areas, with more than 3,000 densely packed bristles. Whether you’ll see the full headline benefit depends a lot on your routine and how consistently you brush each area, but the intent is clear: cover more of the surface and get into gaps without needing aggressive pressure.

A concrete example: if you tend to notice plaque build-up near the gumline or around the back teeth, a gentle sensitive head with Sonicare’s motion can make it easier to brush thoroughly without feeling like you’re “scrubbing”. You still need decent coverage—just a lighter touch helps.

Compatibility and how to know it’s the right replacement

This is a click-on design for Philips Sonicare S2 Sensitive brush heads. The important part is the fit: the description says these heads fit all Philips Sonicare handles.

You’ll also get BrushSync replacement reminder support (compatible handles). The trigger is described as tracking how often and how hard you brush, plus the visual cue of blue bristles turning white. That’s useful if you’ve ever overrun a brush head and then wondered why your clean doesn’t feel as good.

If your handle isn’t BrushSync-compatible, you may lose the timing reminders—so it’s worth checking that aspect before you rely on the blue-to-white cue.

Tech specs

• Type: Replacement toothbrush head (Sonicare)
• Model code: HX6056/88
• Colour: Black
• Pack size: 6
• Bristle design: Long, thin ultra-soft bristles, more than 3,000 densely packed bristles
• Brushing action: up to 62,000 bristle movements
• Replacement reminder: BrushSync compatible handles (blue bristles turn white)
• Fitting system: Click-on design
• Material note: 70% of plastic is bio-based
• Packaging note: paper-based recyclable packaging

What stands out (and what may disappoint)

This set’s strongest pitch is combining “sensitive” comfort with Sonicare’s deeper cleaning approach. If you’re using Sonicare already, it’s a straightforward replacement route, and the BrushSync reminder helps you stay on schedule.

That said, it may not be the best match if your sensitivity is extreme or linked to something specific (like recent dental work, ongoing gum inflammation, or an individual recommendation). In those cases, it can help to follow your dentist or hygienist’s guidance rather than assuming a sensitive head alone will solve it.

Also, if you prefer a firmer feel, this one is designed to be ultra-soft—so you might find it less “powerful” in the sense of physical feedback, even if the cleaning action is still meant to be effective.

In the box

The set includes 6x S2 Sensitive brush heads, black.

When it makes sense?

Buy the Philips Sonicare S2 Sensitive (HX6056/88) if you:

• already use Philips Sonicare handles and want a genuine replacement head aimed at sensitive teeth and gums
• want gentler bristles while still leaning on Sonicare’s fluid action and brushing motion for a thorough clean
• appreciate replacement reminders, especially if your handle is BrushSync compatible

It may not suit you if you:

• don’t use a compatible Philips Sonicare handle system
• dislike ultra-soft bristles and want a firmer scrub feel
• have sensitivity that needs more than a brush head change

In short, it sits in the sensible “replace and refresh” category for Sonicare users who prioritise comfort, not just cleaning.

Mini FAQ

Are these heads genuine replacements?

Yes—this product is described as genuine replacement toothbrush heads.

Will BrushSync work with any Sonicare handle?

The description says BrushSync replacement reminder is compatible with compatible handles. If your handle isn’t compatible, you may not get the reminder behaviour.

What indicates it’s time to replace?

BrushSync tracking plus a visual change is mentioned: blue bristles turning white.

Do these fit all Philips Sonicare handles?

The description states the click-on design fits all Philips Sonicare handles.

How many heads come in the pack?

The pack includes 6 brush heads.