Vaper's Tongue: Why You Can't Taste Your Vape and What Helps

Most of the flavor in an e-liquid reaches you through smell, and smell adapts. The US National Institute on Deafness and Other Communication Disorders (NIDCD) explains that taste combines with aroma to create flavor, and notes that most people who complain about taste actually have a problem with smell.

Smell adaptation

When you meet the same odor over and over, your perception of it weakens. A 2017 review of human research describes this habituation as relatively fast, with the brain turning down its response to a familiar smell. Vaping one flavor all day means breathing the same aroma hundreds of times, which is why adaptation is the most likely explanation for vaper’s tongue. No study has tested it in vapers directly, so treat it as the best explanation available rather than a proven one.

Dry mouth

Taste buds need saliva to dissolve what you taste, so a dry mouth is a plausible contributor. It is also common: a 2023 analysis of 14 studies put the prevalence of dry mouth among e-cigarette users at about 33%. That shows how often vapers report a dry mouth, not that it causes vaper’s tongue. Our sore throat from vaping guide covers what the research says about dry mouth in more detail.

Things that change taste for everyone

NIDCD lists upper respiratory infections such as colds, some medications (including some antibiotics and antihistamines), dental problems and poor oral hygiene among the causes of taste problems. If your food tastes different too, one of these is more likely than your e-liquid.

The quickest check: does only your e-liquid taste faint, or does food taste off too? Use this table to narrow it down.

Only one popular fix has actually been tested, and it did not work. The rest follow from how smell adaptation and dry mouth work, so they are reasonable to try but unproven for vaper’s tongue.

1. Take a short breakAdaptation fades once the smell is gone. Even a few hours without vaping gives your sense of smell a reset.
2. Switch flavor profileAdaptation is strongest for the aroma you keep meeting, so a very different profile is more likely to register. If you vape fruit or dessert all day, try tobacco, such as Virginia or the smokier Latakia, or the other way round. Our guide to naturally extracted tobacco explains how those blends get their flavor.
3. Try a mentholMenthol is felt partly as cooling, a sensation that does not depend on smell, so it often still registers when other flavors fade. Our Special Blend Menthol pairs it with naturally extracted tobacco.
4. Drink water through the dayCleveland Clinic recommends plenty of water for a coated tongue, and it is a simple way to counter a dry mouth.
5. Clean your mouth and your deviceBrush your teeth and gently clean your tongue with a brush or scraper. Replace a worn coil, which can make everything taste burnt or flat.

The one fix that was tested: coffee beans

Sniffing coffee beans to “reset” your nose is common advice in perfume shops and vape blogs. A 2011 study at Beloit College compared coffee beans, lemon and plain air between fragrance tests and found none of them improved how well people identified a new scent. The authors concluded that any benefit comes from the short break itself, which is the fix at the top of this list.

Most vaper’s tongue advice online is repeated without a source. These are the claims we looked into and could not back up.

Vaper’s tongue only affects how your e-liquid tastes. If anything else is going on, get it checked.

• Food and drink taste different too, or your sense of smell has changed. NIDCD advises talking to a doctor about any taste disorder. Taste and smell problems are usually assessed by an ear, nose and throat specialist.
• A coating on your tongue lasts more than a few weeks, or comes with pain, itching, or trouble eating or speaking. Cleveland Clinic advises seeing a provider or dentist.
• Mouth sores, swelling, bleeding or pain. See a dentist or doctor.

Dry mouth is worth mentioning at your next dental visit too. Oral medicine specialist Dr Sue-Ching Yeoh links oral dryness to a higher risk of irritation, cavities and gum disease, so keep up regular checkups and tell your dentist you vape.