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...

Close-up of red, irritated skin and cracked lips around a person's mouth and chin.

Can Brushing Poorly Irritate the Skin Around the Lips or Chin?

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Patient's hand receiving intravenous chemotherapy, resting under a blanket during cancer treatment.

Oral Health Risks During Cancer Treatment: What Patients Need to Know

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Close-up of a person pulling down their lower lip to check for a mouth sore.

When to Worry About Persistent Mouth Sores: Warning Signs You Shouldn't Ignore

3 min read
Person's hand holding a lit cigarette with smoke rising against a dark background.

The Hidden Dangers: How Smoking and Tobacco Use Damage Your Oral Health

4 min read
Flat-lay of protein-rich foods for teeth: egg, buckwheat, cottage cheese, pistachios, quinoa, and seeds.

7 Power Foods That Support Long-Term Oral Health

3 min read
Gloved hand holding an extracted molar showing severe tooth decay and a dark cavity inside.

Beyond Brushing: How to Defeat Tooth Decay for Good

2 min read
Person sticking out a dry, cracked tongue showing signs of dry mouth and dehydration.

The Saliva Solution: Why Dry Mouth Is Sabotaging Your Health (And How To Fix It)

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Person sleeping peacefully on soft white bedding bathed in warm and cool light.

Does Fluoride Eliminate DMT and Reduce Dreaming? Separating Fact from Fiction

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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

2 min read

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