Quick answer: Mouth tape holds your lips together, while a chin strap supports your jaw and leaves your lips free to part, and no study we could find has compared the two head to head. Neither is proven to treat snoring or sleep apnea: a 2014 sleep-lab study found a chin strap alone didn't improve either one, and the best evidence for both comes from CPAP users under medical care. A chin strap may suit you better if you have an adhesive allergy, while tape is smaller and simpler (and Hibertape is made to fit over beards). Don't use either one if you have suspected or diagnosed sleep apnea (unless a clinician says it's okay), a blocked or stuffy nose, a respiratory illness, or a risk of vomiting, if you've been drinking heavily or taking sedatives, or for a child.
By Hibertape Team Β· Last updated: October 26, 2026
This article is general information, not medical advice. Talk to a healthcare professional before you start mouth taping or using a chin strap, especially if you snore loudly or have any condition affecting your breathing.
What's the difference between mouth tape and a chin strap?
We sell mouth tape, so you might expect us to just say "tape wins." We won't. Here's the plain comparison, including where a strap may be the better fit.
They aim for the same thing, a closed mouth during sleep so you breathe through your nose, but they work on different parts of your face.
- Mouth tape is a small strip of skin-safe tape placed over your lips at bedtime. The Sleep Foundation describes it as a gentle nudge toward nasal breathing, "assuming there are no underlying medical concerns like nasal obstruction or sleep apnea."
- A chin strap is a fabric strap that wraps around your head and under your chin. The Sleep Foundation's CPAP guide describes it as an accessory that helps keep your mouth closed during CPAP therapy, and says a well-fitted strap "should support the jaw rather than holding the mouth shut."
So tape works on your lips and a strap works on your jaw. That one difference explains most of the pros and cons below.
How do mouth tape and chin straps compare side by side?
| Mouth tape | Chin strap | |
|---|---|---|
| What it is | A small adhesive strip over the lips | A fabric strap around the head and under the chin |
| How it keeps the mouth closed | Holds the lips together | Supports the jaw so the mouth is less likely to drop open. Nothing covers the lips |
| Where it's mostly been studied | Small studies in people with mild sleep apnea, plus one 2025 trial as a CPAP add-on | Mostly as a CPAP accessory to reduce air leaking out of the mouth |
| Evidence on its own (no CPAP) | Limited and low quality: a 2025 review found 10 studies and rated all of them poor quality | A 2014 sleep-lab study of 26 adults with sleep apnea found a chin strap alone didn't improve sleep apnea or snoring |
| Evidence as a CPAP add-on | A 2025 randomized trial found tape helped mouth-breathing CPAP users wear their machines about 52 minutes longer per day. Adverse effects were reported | Mixed: less mouth leak in one small study (but more snoring time), better adherence in one retrospective study, and no difference in adherence in a 2018 randomized trial |
| Skin and facial hair | Adhesive can irritate sensitive skin. Some generic tapes pull on facial hair, but every Hibertape color is made to fit over beards, mustaches and goatees | No adhesive on your lips or facial hair |
| Fit | One strip, applied to clean, dry lips | Needs the right size and adjustment. Too tight is uncomfortable, too loose doesn't hold |
| Cost | Single-use. Hibertape is $24.99 for 30 nights (about 83Β’ a night) | Reusable. The Sleep Foundation says CPAP chin straps usually cost $15β35 and the average one lasts at least a year |
| The shared risk | If your nose blocks up, you've lost your mouth as a backup airway | The same concern applies. Reviewers flagged it for chin strapping as well as taping |
Which one actually keeps your mouth closed better?
The honest answer: nobody has tested this directly. We couldn't find a study that put mouth tape and a chin strap head to head in the same people. Here's what the indirect evidence suggests:
- A chin strap doesn't fully seal the mouth. In a 2004 study of 15 CPAP users with mouth leak, a chin strap cut the share of sleep time with mouth leak from about 43% to about 24%. That's a real drop, but the authors said leak and arousals "remained unacceptably high," which means mouths were still coming open with the strap on.
- Tape doesn't make the mouth airtight either. Cleveland Clinic describes a 2022 study in which 10 participants kept trying to breathe through their mouths ("mouth puffing") even with their mouths taped shut.
- Tape works at the lips; a strap works at the jaw. A strap may hold the jaw up while the lips still part. Tape seals the lips but does nothing for jaw position.
In practice, many people choose based on comfort rather than strength of hold: skin, facial hair, whether they already wear CPAP headgear, and whether they can stand having something across their lips.
Does a chin strap work for snoring or sleep apnea on its own?
The best study we found says no. In 2014, researchers at a New Jersey sleep center tested a chin strap alone in 26 adults with sleep apnea during an overnight sleep study. They wore the strap for the first two hours of sleep and then switched to CPAP. With the chin strap alone, there was no significant improvement in the apnea-hypopnea index (AHI), oxygen levels, or snoring, even in the 13 people with mild sleep apnea. All of those measures improved on CPAP.
Their conclusion: "A chinstrap alone is not an effective treatment for OSA⦠It is also ineffective in improving snoring."
The study had limits. The strap was only worn for about two hours of sleep, and the authors note that snoring measures aren't standardized. They also said the more expensive chin straps marketed as standalone "snoring solutions" didn't appear fundamentally different from the basic strap they tested.
Another study raises a separate caution. In the 2004 CPAP study, the chin strap reduced mouth leak, but snoring time went up (from about 7% to 24% of sleep time). The authors warned that a chin strap "may also increase snoring and, in rare cases, can worsen" breathing disturbances.
Does mouth tape work any better on its own?
Not clearly. The most complete review so far, a 2025 systematic review in PLOS One by ear, nose and throat specialists, found only 10 studies of mouth taping and similar methods (two of them used chin straps). All 10 were rated poor quality. The reviewers concluded that the evidence "does not support mouth taping or oral occlusion as a sound clinical intervention for the general population with sleep disordered breathing," and flagged "a potentially serious risk of harm for individuals indiscriminately practicing this trend."
The more positive mouth-tape studies were small and limited to adults with mild sleep apnea. Cleveland Clinic's summary is that there isn't enough scientific evidence that mouth taping works as a way to stop snoring.
For the full study-by-study breakdown, see Does Mouth Taping Actually Work? What the Published Studies Show.
What about CPAP users? Is tape or a strap better with a CPAP mask?
This is where both have the most research, and where the decision belongs to your sleep team.
If you breathe through your mouth while wearing a nasal CPAP mask, air can leak out of your mouth. Chin straps and mouth tape are both used to cut that leak. Here's what the studies found:
| Study | Who was studied | What they found | Limits |
|---|---|---|---|
| Bachour et al., Sleep Medicine, 2004 (chin strap) | 15 CPAP users with mouth leak, dry mouth and nasal obstruction | Mouth leak and arousals dropped with the strap, but snoring time rose | Small; leak stayed "unacceptably high" |
| Knowles et al., J Clin Sleep Med, 2014 (chin strap) | Records of 124 veterans prescribed CPAP | Chin strap users had better CPAP adherence, longer nightly use, and lower leak | Retrospective: shows an association, not cause and effect |
| Rowland et al., J Clin Sleep Med, 2018 (chin strap; randomized crossover) | 48 adults with moderate-to-severe sleep apnea starting CPAP | Adding a chin strap to a nasal mask didn't change CPAP adherence. More people preferred the nasal mask alone (22) than the mask plus strap (9) or a full-face mask (4) | 35 of 48 completed; 4 weeks per option |
| Meksukree et al., J Clin Sleep Med, 2025 (mouth tape; randomized crossover) | 62 adults with sleep apnea already on CPAP who breathe through their mouths | Silicone mouth tape increased average CPAP use by about 52 minutes a day and improved sleepiness, snoring scores, dryness and night awakenings | CPAP add-on under medical care only; 30 days per condition; adverse effects were reported |
The Sleep Foundation's CPAP guide sums it up fairly: both mouth tape and chin straps have been found to help reduce mask leaks and support CPAP use in people who breathe through their mouths, "the best choice depends on your personal preferences and needs," and both are "meant to complement CPAP therapy, not replace it." A full-face mask that covers the nose and mouth is another option.
Don't add tape or a strap to your CPAP routine on your own. Ask your sleep doctor or equipment provider which one suits your mask and settings.
Is a chin strap the same as an anti-snoring mouthpiece?
No. A chin strap only supports your jaw from below. An oral appliance (a mandibular advancement device) is a mouthguard-style device that holds your lower jaw forward to help keep your airway open. Cleveland Clinic recommends getting one customized by a dentist or oral surgeon, because a badly fitting appliance can strain the jaw.
The 2014 chin-strap researchers made the same point: they didn't expect commercial straps to perform differently "unless there were a mechanism by which they could thrust the jaw forward," which basic straps don't do. If an oral appliance is what you're after, talk to a dentist or sleep specialist rather than buying a strap.
Who should not use mouth tape (or a chin strap)?
β οΈ Who shouldn't use mouth tape
Don't use mouth tape, or talk to a doctor first, if any of these apply to you:
- Suspected or diagnosed sleep apnea. That includes loud snoring, choking or gasping in your sleep, or heavy daytime sleepiness. Tape is not a substitute for a sleep evaluation or treatment.
- A blocked, stuffy, or congested nose from a cold, allergies, sinus infection, deviated septum, or enlarged tonsils
- Respiratory illness or chronic breathing conditions such as asthma or COPD, unless your doctor says it's okay
- Any risk of vomiting or nausea during the night (for example, illness, reflux, or certain medications)
- After heavy drinking or taking sedatives, including sleep aids that make you harder to wake
- Children. Mouth taping in children hasn't been studied. A child who breathes through their mouth should see a doctor.
- Anxiety, panic disorder, or claustrophobia that taping might trigger
- Heart problems, severe breathing problems, or very low blood pressure
- Obesity with a BMI over 35
- Severely chapped lips or broken skin around the mouth, or a known allergy to adhesives
- Any condition that makes breathing or swallowing difficult
If you have trouble breathing, chest pain, dizziness, or nausea while wearing tape, take it off right away and get medical help. Read Hibertape's full Disclaimer and Liability Waiver.
This list combines guidance from the Sleep Foundation, Cleveland Clinic, and Hibertape's own disclaimer (see Sources).
The same red flags apply to chin straps. In the PLOS One review, four of the 10 studies explicitly said that closing the mouth "either through taping, sealing, or chin strapping" could pose a serious risk of asphyxiation (suffocation) if the nose is blocked or someone regurgitates. A strap doesn't seal your lips, but it still works against your mouth as a backup airway.
There's one more reason to be careful with either method. In a 2024 study of 54 people with sleep apnea, researchers closed each person's mouth by pressing up on the chin, which is closer to what a chin strap does than to tape. For most people, airflow improved. But for people who breathed mostly through their mouths, especially when the back of the nasal airway was blocked, closing the mouth made airflow worse. Some people breathe through their mouths for a reason, and that reason needs a clinician, not a strap or a strip of tape.
Which one might suit you better?
If you've cleared the list above, and a clinician is fine with you trying either one, this is how the trade-offs tend to shake out:
| Your situation | Mouth tape | Chin strap | Notes |
|---|---|---|---|
| Full beard or mustache | Pick a tape made for it: every Hibertape color fits over beards, mustaches and goatees | No adhesive at all | The Sleep Foundation lists facial-hair discomfort as a possible side effect of generic mouth tape |
| Sensitive skin or adhesive allergy | Patch test first, or skip if you've reacted before | Often the better choice | A known adhesive allergy is on the "don't use tape" list |
| On CPAP with a nasal mask | Only with your sleep doctor's OK | Only with your sleep doctor's OK | A full-face mask is another option. Let your sleep team decide |
| You dislike headgear, sleep hot, or travel a lot | Small and nothing to adjust | Straps and closures to fit around your head | Personal preference |
| Covering your mouth makes you anxious | May be hard to tolerate | Nothing covers the lips, which some people may find easier | If either one triggers panic, stop |
| Loud snoring, gasping, or daytime exhaustion | Neither. Get evaluated first | Neither. Get evaluated first | Snoring can be a sign of sleep apnea |
| Stuffy or blocked nose | No | No | Treat the congestion or see a clinician |
How should I try either one carefully?
There are no official guidelines for mouth taping, and the Sleep Foundation recommends checking with your doctor first. If you get the okay:
For a first-night tape walkthrough, see How to Mouth Tape for the First Time.
- Check your nose first. Sit with your mouth closed for a few minutes. If nasal breathing feels hard, don't use either one tonight.
- Do a daytime test. Wear the tape or strap for 15β30 minutes while you're awake and relaxed.
- Use the right product. For tape, use porous tape made for skin, never household tape. For a strap, choose one that fits snugly but not tightly. The Sleep Foundation warns against homemade versions such as elastic bandages, which can tighten as you wear them.
- Make removal easy. A pull-tab or folded corner on tape, or a strap you can slip off in a second.
- Skip "off" nights. Colds, allergy flares, alcohol, or sedatives are reasons to go without.
- Pay attention to how you feel. If you wake up gasping or panicky, or more tired than usual, stop and talk to a doctor.
For the safety picture in more depth, see Is Mouth Taping Safe? Who Should and Shouldn't Try It.
What are the alternatives if neither feels right?
Cleveland Clinic and the Sleep Foundation suggest:
Also see Mouth Taping, Nasal Breathing, and REM Sleep.
- Sleeping on your side, which may reduce snoring for many people
- Nasal strips or dilators to help open the nasal passages (the research results are mixed). See Mouth Tape vs. Nasal Strips
- Treating allergies or congestion so nasal breathing comes more easily
- CPAP or an oral appliance for diagnosed sleep apnea, prescribed by a clinician
- Good sleep habits: a consistent schedule, a dark and quiet room, and no alcohol or caffeine close to bedtime
What do Hibertape customers say?
A note on Hibertape
We make mouth tape, so we're not neutral here. That's why we've laid out where a chin strap may be the better pick: if you have an adhesive allergy or a sleep team that prefers a strap with your CPAP mask, a chin strap may suit you better, and that's fine.
If you've checked the list above and you'd rather try tape, Hibertape mouth tape is designed to keep your lips gently closed at night to encourage nasal breathing. It's made from cactus silk and has a pull-tab for quick removal. It comes unscented or lightly scented with lavender or sandalwood, and a 30-night pack costs $24.99. Some customers report less dry mouth in the morning, but experiences vary, and mouth tape isn't a treatment for snoring, sleep apnea, or any medical condition. Please read our disclaimer before you use it.
Frequently asked questions
Is mouth tape or a chin strap better for snoring?
Neither is a proven snoring treatment. A 2014 sleep-lab study found a chin strap alone didn't improve snoring, and Cleveland Clinic says there isn't enough evidence that mouth taping works to stop snoring. Loud snoring can also be a sign of sleep apnea, so get it checked before trying either one.
Can a chin strap treat sleep apnea on its own?
No. In a 2014 study of 26 adults with sleep apnea, a chin strap alone didn't improve the apnea-hypopnea index or oxygen levels, even in mild cases, while CPAP did. Chin straps are mainly used as a CPAP accessory, not a replacement.
Should I use a chin strap or mouth tape with my CPAP?
Ask your sleep doctor. Both have been used to cut mouth leak with nasal CPAP masks. A 2025 randomized trial found mouth tape helped some mouth-breathing CPAP users wear their machines longer, and chin strap studies are mixed. A full-face mask is another option. Both are meant to complement CPAP, not replace it.
Is a chin strap better if I have a beard?
Not necessarily. Some generic tapes pull on facial hair, but every Hibertape color is made to fit over beards, mustaches and goatees. A chin strap skips adhesive entirely, which some people prefer. The same safety rules apply: don't use one if your nose is blocked or you have untreated sleep apnea.
Is a chin strap safer than mouth tape?
Not automatically. A systematic review flagged a risk of suffocation from closing the mouth by taping, sealing, or chin strapping if the nose is blocked or someone regurgitates. A strap avoids adhesive on the skin, but the breathing red flags are the same.
Can you use a chin strap and mouth tape together?
Some people do layer both, but there is no solid research on combining them at home. Neither is a treatment for snoring or sleep apnea. Skip both if your nose is blocked, and talk to a clinician if one method alone is not enough.
Sources
- Rhee J, Iansavitchene A, Mannala S, Graham ME, Rotenberg B. Breaking social media fads and uncovering the safety and efficacy of mouth taping in patients with mouth breathing, sleep disordered breathing, or obstructive sleep apnea: A systematic review. PLOS One. 2025;20(5):e0323643. https://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0323643
- Bhat S, Gushway-Henry N, Polos PG, et al. The efficacy of a chinstrap in treating sleep disordered breathing and snoring. J Clin Sleep Med. 2014;10(8):887β892. https://pmc.ncbi.nlm.nih.gov/articles/PMC4106943/
- Bachour A, Hurmerinta K, Maasilta P. Mouth closing device (chinstrap) reduces mouth leak during nasal CPAP. Sleep Med. 2004;5(3):261β267. https://pubmed.ncbi.nlm.nih.gov/15165532/
- Knowles SR, O'Brien DT, Zhang S, Devara A, Rowley JA. Effect of addition of chin strap on PAP compliance, nightly duration of use, and other factors. J Clin Sleep Med. 2014;10(4):377β383. https://pmc.ncbi.nlm.nih.gov/articles/PMC3960379/
- Rowland S, Aiyappan V, Hennessy C, et al. Comparing the efficacy, mask leak, patient adherence, and patient preference of three different CPAP interfaces to treat moderate-severe obstructive sleep apnea. J Clin Sleep Med. 2018;14(1):101β108. https://pubmed.ncbi.nlm.nih.gov/29198305/
- Meksukree A, Pitipanyakul S, Laohavinij W, et al. The role of mouth tape for CPAP use in patients with mouth breathing and OSA. J Clin Sleep Med. 2025;21(12):2063β2071. https://pubmed.ncbi.nlm.nih.gov/40963295/
- Yang H, Huyett P, Wang T-Y, et al. Mouth closure and airflow in patients with obstructive sleep apnea: a nonrandomized clinical trial. JAMA Otolaryngol Head Neck Surg. 2024;150(11):1012β1019. https://pmc.ncbi.nlm.nih.gov/articles/PMC12316187/
- Cleveland Clinic. Is Mouth Tape Safe To Use While Sleeping? (July 25, 2025). https://health.clevelandclinic.org/mouth-taping
- Cleveland Clinic. Snoring? Try These 12 Remedies So You Can Sleep Peacefully (February 25, 2025). https://health.clevelandclinic.org/how-to-stop-snoring
- Sleep Foundation. Mouth Taping for Sleep: Does It Work? (updated March 23, 2026). https://www.sleepfoundation.org/snoring/mouth-taping-for-sleep
- Sleep Foundation. Best CPAP Chin Straps of 2026 (updated June 2, 2026). https://www.sleepfoundation.org/best-cpap-supplies/best-cpap-chinstraps
- Hibertape. Disclaimer and Liability Waiver. https://hibertape.com/pages/disclaimer-and-liability-waiver
Hibertape Team Β· October 26, 2026
Featured photo: Andrea Davis on Pexels (Pexels License).
