Upgrade Your Oral Health - HSA/FSA Eligible
1 min read

Only Buy The Feno Smartbrush from Official Channels — Watch Out for Imitation Sites

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chronic sinusitis bad breath | 5 min read

Can Chronic Sinus Issues Cause Bad Breath Even With Good Oral Hygiene?

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acid reflux tongue | 4 min read

Baking Soda and Tongue Coating: Could Silent Reflux Be the Hidden Connection?

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bad breath anxiety | 5 min read

Halitosis vs Halitophobia: Understanding the Difference Between Bad Breath and the Fear of Bad Breath

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alkaline water bad breath | 5 min read

Does Alkaline Water Help Bad Breath? What Science Actually Says

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U-shaped smart toothbrush on a charging base marked with a red FAKE ALERT stamp.
Profile silhouette with an MRI scan revealing sinus and nasal cavities behind bad breath.
White baking soda powder pouring into fizzing water, illustrating a pH-neutralizing reaction for reflux relief.
Anxious person covering mouth alone at a busy cafe, illustrating fear of bad breath.
Glowing water droplet holding a DNA helix, illustrating alkaline water and bad breath science.

Feno latest

Profile silhouette with an MRI scan revealing sinus and nasal cavities behind bad breath.

Can Chronic Sinus Issues Cause Bad Breath Even With Good Oral Hygiene?

5 min read

More in the news...

Bearded person resting with eyes closed in warm light, illustrating oral health and sleep.

How Your Oral Health Affects Your Sleep Quality

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Pregnant person holds an ultrasound photo of their baby against a bare belly.

Expecting? Why Your Oral Health Matters More Than Ever During Pregnancy

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Person in yellow top covering mouth with hand, worried about bad breath in a mall.

How to Get Rid of Bad Breath: What Actually Works

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Understanding Xylitol's Role in Dental Health

Understanding Xylitol's Role in Dental Health

2 min read
Wired magazine and Feno logos paired together marking a featured collaboration.

Feno Smartbrush Featured in Wired Magazine: AI-Powered Smart Toothbrush Revolutionizes Oral Health Care

1 min read
The Verge purple logo paired with the Feno wordmark in a collaboration graphic.

The Verge Just Tried Our 20-Second Smart Toothbrush - Here's What They Found

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Close-up of a U-shaped electric toothbrush mouthpiece with dense white bristles.

Smart Toothbrushes: Improving Your Brushing Habits in 2025

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Gloved dental professional holding a teeth and gums model in a clinic setting.

The Mouth: Your Body's Master Gateway to Health

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Other news

Person in bed at night clutching chest, showing acid reflux discomfort that can cause bad breath.

Acid Reflux and Bad Breath: Why GERD-Related Halitosis Needs More Than Mouthwash

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Founders spotlight

Feno founder smiling while seated in a bright, modern office hallway.

We founded Feno to revolutionize dental care, understanding the vital connection between oral and overall health.

Seeing how closely our oral health ties to our overall well-health, I started Feno to use technology to make dental care smarter and keep you healthier.

Feno u shaped smart toothbrush with digital display showing the time, standing upright.

Let’s stay connected

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The Founder’s Edition Bundle:

Your Complete Oral Care Kit

Feno smart U-shaped toothbrush bundle with foam bottles, charger, and connected phone app.

1 Feno Smartbrush™

Includes the Smarthandle and Snap Charger

1 TrueFit Mouthpiece™

Sized for your comfort and dental arch

3 Tubes Feno Foam

Xylitol foaming toothpaste

1 Month Feno Plus

Oral Health Insights & Connected Dentist

Shop Now for $299