How is the ISSA 4 Plus different from a regular sonic toothbrush?

It pulses up to 11,000 times per minute instead of oscillating or sweeping. The head combines soft silicone with PBT bristles, so the clean feels gentler than a typical sonic brush.

Does the battery really last a year?

FOREO rates it at up to one year on a single USB charge. That assumes typical twice-daily use; heavy use or app features will shorten it.

How often do I replace the brush head?

The head is rated to last up to six months. The box includes one extra head, which covers about a year of brushing.

Is it good for sensitive gums?

Yes. It has a pressure sensor that adapts when you press too hard, and the soft silicone bristles are designed to be gentle on gums.

Can I use it in the shower?

Yes, the body is waterproof. Rinse it after use and let it dry before packing it in the travel pouch.

What comes in the box?

The brush, a USB charging cable, a quick start guide, a travel pouch and one extra replacement head.

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This hour's deals

FOREO ISSA 4 Plus Smart Hybrid Sonic Toothbrush

−50%

Beauty · FOREO

FOREO's smart sonic toothbrush steps up your sink-side setup

Name: FOREO ISSA 4 Plus Smart Hybrid Sonic Toothbrush
Brand: FOREO
Availability: InStock

FOREO ISSA 4 Plus Smart Hybrid Sonic Toothbrush

A smart hybrid sonic toothbrush from FOREO with a sleek design — one for anyone who takes their brushing seriously.

Deal score 6.1 · Great deal

$99.39$199.00 FOREO's regular price

You save $99.61 at FOREO

Deal.ai's agents found this deal on November 15. The store may have changed its price since.

Why it's a great deal

Elsewhere right now: Walmart $118.99, Macy's $119.40, Nordstrom $199.00, and 3 more (typical $199.00 across 6 stores)
Cheaper than all 6 other stores selling it right now
FOREO lists its regular price at $199.00: 50% off by its own figures

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Every store we checked

FOREONew
In stock
$99.39Checked 36 min ago
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WalmartNew
In stockSold by LUNA XReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$118.99Checked 35 min ago
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Macy'sNew
In stock
$119.40Checked 36 min ago
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RevolveNew
In stock
$199.00Free shippingChecked 35 min ago
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FWRDNew
In stock
$199.00Free shippingChecked 35 min ago
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NordstromNew
In stock
$199.00Checked 36 min ago
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LovelySkin.comNew
In stock
$199.00Checked Nov 13
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SweetCareNew
Availability unknown
$139.61Checked 36 min ago
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SweetCareNew
Availability unknownShips from Portugal · duties may apply
$147.17Checked 36 min ago
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Care to BeautyNew
Availability unknownShips from abroad · duties may apply
$190.62Checked 36 min ago
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REVOLVENew
Availability unknown
$199.00Checked 36 min ago
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FWRDNew
Availability unknown
$199.00Checked 36 min ago
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EditorialistNew
Availability unknown
$199.00Checked 36 min ago
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MFI MedicalNew
Availability unknown
$204.01Checked 36 min ago
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eSkinStoreNew
Availability unknown
$217.00Checked 36 min ago
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eSkinStore caNew
Availability unknownShips from Canada · duties may apply
$217.00Checked 15 h ago
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LabSupplies.comNew
Availability unknown
$367.49Checked 36 min ago
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Price history and every store's price →

Reading FOREO’s product page for the details…

About it

SMART SONIC ORAL CARE THAT GOES THE EXTRA SMILE Issa 4 plus is a next-gen sonic toothbrush that brings comfort, hygiene, and innovation to your daily routine. Its hybrid soft toothbrush head combines ultra-hygienic silicone with long-lasting PBT bristles to clean teeth, gums, cheeks, and tongue—all with a single device. Powered by sonic pulses, it offers 3 brushing modes and adapts to your pressure for a gentle yet thorough clean. The brush head lasts up to 6 months, and with the included extra replacement head, you’re covered for 12 months of premium oral care. With a battery that holds a charge for an entire year, it’s the ideal travel toothbrush and everyday companion. Whether upgrading your electric toothbrush, searching for a rechargeable toothbrush for adults, or wanting a softer solution for sensitive gums, issa 4 plus covers it all, making it a standout in daily oral care and electric toothbrushes & accessories.

Specs

Replaceable Head: Yes
Power Source: USB charge
Product Type: Electric Toothbrush
Subtype: Hybrid brush head
Included Accessories: USB Charging Cable, Quick Start Guide, Travel Pouch
Mechanism Type: Pulsations
Motor Speed: Up to 11,000 pulsations per minute
Age Group: ADULT
Body Part Use: Gums, Mouth, Teeth
Use Case: Daily cleaning, Every day

About the FOREO ISSA 4 Plus Smart Hybrid Sonic Toothbrush

The FOREO ISSA 4 Plus is a rechargeable sonic toothbrush with a hybrid head that mixes soft silicone with PBT bristles. It pulses up to 11,000 times per minute, offers three brushing modes, and adjusts to your pressure to protect gums. Its standout claim is battery life: up to a year on one USB charge, which suits travelers and infrequent chargers. Against rival sonics, it pulses rather than oscillates and uses a silicone-heavy head, so it feels gentler but less like a conventional brush.

Best forTravelers who dislike charging oftenPeople with sensitive gumsShoppers wanting one device for teeth, gums and tongueAnyone upgrading from a manual brush

Pros

Up to a year of use per USB charge
Hybrid silicone and PBT head is gentle on gums
Pressure sensor adapts to how hard you brush
Three brushing modes plus app support
Waterproof body and travel pouch included
Brush head lasts up to six months

Cons

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