What do reviews say about sensitive gums?

Testers found it gentle, with a pressure sensor and a Gum Care mode.

What do reviews say about battery?

TechGearLab got 46 days and Electric Teeth up to 5 weeks; case included.

What do reviews say about 4100?

The 5100 adds modes and a travel case for about $20 more than the 4100.

Beauty & Skincare · Oral care · 1,101 reviews · 3 sources

Philips Sonicare ProtectiveClean 5100

Best for: gentle cleaning with a travel caseMid-range

Cleans superbly, is kind to gums, and buyers almost all recommend it. Only the pricier smart brush heads hold it back.

Tracking since Sep 2026

Buy if

You have sensitive gums
You want a travel case

Skip if

You want the cheapest heads
You only need one mode

How it scores

Gentleness8.8

Efficacy8.6

Value5.7

Price

$95–99.99

You pay for: Mid-range; case included

Reviewed Sep 2026 · 0 new reviews since · score unchanged

What people love

Most mentioned by reviewers

CleaningSmooth, polished feel

Battery lifeWeeks per charge

Overall performanceReliable daily brush

What people complain about

Most mentioned by reviewers

Pricey headsBrushSync heads cost more

Brush head sizeSome find it awkward

Reviewers disagree on

Gentle on gumsExtra modes seldom used

Long batteryHeads cost more than 4100

Alternatives

Same price · $95–99.99

Ask about this product

Sources

AI summary of public reviews, not a recommendation.