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Feno Discounts & Promo Codes

16 offers · updated · save up to 50%

Edited by Danica P. · Reviewed by Ivan P. · offers last checked Nov 5, 2026

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Current Feno offers

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15% off your order

Last seen Nov 8 Checked Oct 19, 2026

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  • Checked in a real cart: Oct 19, 2026
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15% off your order

Last seen Nov 8 Checked Oct 19, 2026

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  • Checked in a real cart: Oct 19, 2026
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15% off your order

Last seen Nov 8 Checked Oct 19, 2026

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  • Checked in a real cart: Oct 19, 2026
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15% off your order

Last seen Nov 8 Checked Oct 19, 2026

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  • Checked in a real cart: Oct 19, 2026
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15% off your order

Last seen Nov 8 Checked Oct 20, 2026

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  • Checked in a real cart: Oct 20, 2026
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15% off your order

Last seen Nov 8 Checked Nov 4, 2026

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  • Checked in a real cart: Nov 4, 2026
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$50 off your order

Last seen Nov 8 Checked Oct 19, 2026

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  • A minimum order may apply; it worked on a $399 cart.
  • Checked in a real cart: Oct 19, 2026
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Promo code BORZAH

Last seen Nov 8 Checked Oct 20, 2026

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  • Checked in a real cart: Oct 20, 2026
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50% Off Storewide

Last seen Nov 8

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  • The discount applies to all products available on the Feno website. This offer is valid for one use per customer. The discount cannot be combined with other promotions or discounts.
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Founder's Edition Bundle for $299 with a free tongue scraper

Seen on Feno's site · Nov 7

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  • Source: Feno's home page
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$221 Off Elite Oral Health Bundle

Last seen Nov 8

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$131 Off Founder's Edition Plus Bundle

Last seen Nov 8

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Free shipping

Free Shipping on all US Orders

Last seen Nov 8

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  • Valid for Orders within the USA only. International shipping fees apply and are calculated during checkout. No minimum purchase amount is required to qualify for this deal.
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Feno Products from $24

Last seen Nov 8

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  • Ends
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Recently expired Feno offers (5)
  • Get Feno Oral Hygiene Products from Just $24. Ended Nov 8, 2026.
  • Founder's Edition Plus for $399 with free extras and free shipping. Ended Nov 7, 2026.
  • Get $50 Discount on Your Order (DD50). Didn't work in our cart test, Nov 5, 2026.
  • $45 Off Founders Edition Bundle. Ended Oct 20, 2026.
  • Free 1-Month Feno Plus Subscription when you Sign Up for Newsletter. Ended Oct 20, 2026.

Feno at a glance

Cart tests
10 codes checked last 30 days, 90% worked How we count
Free shipping
On all orders
Returns
30 days
Pay later
Affirm
Subscribe & save
Yes
Ships internationally
Yes

About Feno

Feno makes the Smartbrush, a full-mouth electric toothbrush whose mouthpiece is sized from a mouth scan, with a built-in oral scanner that feeds oral health reports to an app; Feno Foam toothpaste and replacement mouthpieces complete the range.

Saving at Feno mostly comes down to choosing a bundle tier, because each one carries its own extras, shipping terms and monthly payment figure.

Feno describes the Smartbrush as the world's first smartbrush. Its U-shaped head cleans the whole mouth at once, and the company says a full session lasts 20 seconds. The TrueFit Mouthpiece is offered in seven sizes, and the handle charges wirelessly on a magnetic base, with a battery rated for 7 days of use.

Scans from the brush's cameras sync to the Feno Plus app, which tracks brushing habits, looks at teeth, gums and tongue, produces an oral health report and lets users message an oral health coach. Feno frames oral care as linked to wider health risks such as heart disease and diabetes. The top bundle adds a salivary microbiome test kit, and every bundle includes a tongue scraper.

When shoppers look for Feno coupons

Feno coupon searches peak in November, about 1.5× a typical month, and dip lowest in August.

US Google searches, Sep 2025 to Aug 2026. Search interest, not sales.

Does Feno offer free shipping?

Yes. Bundle listings print free shipping, though the policy names no threshold; fulfillment begins 24-48 hours after the FitKit scan and US transit adds about 3-5 business days.

What is Feno's return policy?

30 days from delivery; defects get a full refund, other returns are decided case by case and may carry a 10% restocking fee plus buyer-paid postage. (read Nov 7, 2026)

What payment methods does Feno accept?

Affirm monthly plans and HSA/FSA funds are both accepted, and the Smartbrush itself is marketed as HSA/FSA eligible.

More about shopping at Feno

Bundle tiers
Founder's Edition lists at $299 (from $27/mo), Founder's Edition Plus at $399 (from $37/mo) and Elite Oral Health at $519 (from $47/mo).
Sizing and defects
Seven mouthpiece sizes, the first two size exchanges free; a faulty Smartbrush is replaced by express shipping for 1 year, a mouthpiece for 1 month. (read Nov 7, 2026)
Outside the US
International orders need 4-6 weeks of processing, carry regional prices and follow a separate international return policy. (read Nov 7, 2026)

From Feno's own pages, read Sep 29, 2026.

Sources: Feno shipping policy, Feno returns policy, Feno website, Feno FAQ

How to use a Feno discount code

  1. Feno's shop is a Shopify build, which places the discount box inside the order summary of the checkout page, next to the Smartbrush bundle being bought.
  2. No account or email sign-up has to come first, but the FitKit mouth scan does: the mouthpiece is matched to it, so nothing leaves the warehouse until the scan is complete.
  3. Feno does not say whether a code combines with bundle extras such as the free tongue scraper on the Founder's Edition, so the summary total is the figure to read before choosing Affirm or an HSA/FSA card.
  4. SavedBy package protection is added there as an optional fee and can be removed before paying.
Where to enter a Feno code at Shopify checkout (illustration)
Where the code box sits on Shopify's standard checkout (illustration; screens vary).

More ways to save at Feno

  • Subscription is the standing route: the homepage shows Subscribe and Save $100 beside a bundle, though it does not explain what the $100 comes off.
  • Pre-tax HSA/FSA money lowers the real cost of the Smartbrush for account holders, while Affirm spreads the Founder's Edition from $27 a month.
  • Using the two free mouthpiece size exchanges avoids buying a replacement, and an order that has not been packed can still be cancelled by email for a full refund if a better bundle appears.

Feno questions, answered

Does Feno ship the Smartbrush for free?

Free shipping is printed on the Smartbrush bundle listings, including the Founder's Edition Plus at $399. The shipping policy itself gives no cost or minimum for orders outside those bundles.

What is Feno Plus?

Feno Plus is a membership that the refund terms describe as optional and cancellable anytime. The money-back guarantee on the Smartbrush does not depend on joining it.

Can a Feno toothbrush be bought with HSA or FSA funds?

The Smartbrush is marketed as HSA/FSA eligible, and HSA/FSA sits beside Affirm on the payment list. Affirm plans start at $27 a month on the Founder's Edition.

How long does a Feno order take to arrive?

Fulfillment starts within 24-48 hours of the FitKit mouth scan, then US delivery takes about 3-5 business days. International orders sit in processing for 4-6 weeks.

Can a Feno order be returned for a refund?

Defective items are refunded in full within 30 days of delivery, while other returns are case by case and can lose 10% to a restocking fee. The Elite Oral Health Saliva Kit cannot be refunded once shipped, and refunds reach the original card in 7-10 business days.

15% off 15% off your order
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