What Does Mouth Tape Do?

By Dr. David Alfi, DDS, MD, FACS • Oral and Maxillofacial Surgeon

Estimated read time: 5 minutes

Gentle [mouth tape](https://hostagetape.com/) may help guide natural nasal breathing during sleep.

Many people hear about mouth tape and wonder, “What does it actually do?” Simply put, it helps your body do what it was designed to—breathe through your nose. By supporting nasal breathing, mouth tape may help improve oxygen efficiency, hydration, and even sleep quality.

Why Nasal Breathing Matters

Your nose isn’t just a passage for air—it filters, warms, and humidifies every breath. When you breathe through your mouth instead, you lose moisture, dry out tissues, and increase snoring risk. Nasal breathing also helps regulate nitric oxide levels, which support oxygen absorption and blood flow.

Breathing Type Oxygen Uptake Moisture Retention Snoring Risk
Nasal Breathing Higher (typical) Better retention Lower (typical)
Mouth Breathing Reduced Dryness common Higher

How Mouth Tape Works

When applied correctly, a soft adhesive strip such as Hostage Tape gently seals the lips to encourage nasal breathing. It’s not about forcing the mouth closed—it’s about creating awareness and feedback that trains your body toward its natural breathing pathway.

  • Encourages nasal breathing for optimal airflow
  • May reduce mouth dryness and snoring
  • Supports better tongue posture and airway balance
  • Helps maintain hydration and improve next-day alertness

Illustrative Physiologic Effects (individual results may vary)

Based on published research and anonymized clinical observations, users of mouth tape commonly report the following benefits:

  • Decreased self-reported snoring frequency
  • Improved subjective sleep quality
  • Less throat dryness and congestion
  • Higher morning energy and concentration

Note for CPAP users: Some CPAP users find that mouth taping helps reduce air leaks. If you use CPAP, consult your sleep physician before incorporating mouth tape into your therapy.

Shop Hostage Tape

Designed for comfort and skin feel; made to support healthy nasal breathing.


Disclosure

Dr. Alfi serves as a clinical advisor to Hostage Tape and provides guidance on airway and sleep-related health education. He does not receive commissions for product sales; his involvement focuses on promoting safe, evidence-based use.

Medical Disclaimer

The information in this article is for educational purposes only and does not constitute medical or dental advice. It should not be used as a substitute for individualized evaluation or treatment by a qualified healthcare provider. Mouth taping is not appropriate for everyone; individuals with respiratory, nasal, or sleep-related conditions should consult their physician or dentist before use.

Dr. David Alfi is licensed in Texas as a dentist and physician (DDS, MD). Any statements reflect his professional opinion and clinical experience and are not specific treatment recommendations.

Source Transparency

Statistics and physiologic metrics cited above are drawn from published studies and aggregated clinical observations, not controlled clinical trials of Hostage Tape.

 

Latest Stories

View all

Why Does My Mouth Pop Open When I Sleep?

Why Does My Mouth Pop Open When I Sleep?

If your mouth keeps popping open at night, it is not just a weird habit. It is often a sign that your nose, airway, or tongue posture is under stress. Here is what that means for snoring, dry mouth, and sleep quality, and how mouth tape fits into the picture for the right adults.

Read more

Can Mouth Taping Help You Stop Snoring?

Can Mouth Taping Help You Stop Snoring?

Snoring doesn’t start in your throat — it starts in your mouth. Learn how gentle, skin-safe mouth tape can encourage nasal breathing, reduce snoring, and help you and your partner finally rest easy.

Read more

Why You Shouldn’t Use Regular Tape for Mouth Taping (And What to Use Instead)

Why You Shouldn’t Use Regular Tape for Mouth Taping (And What to Use Instead)

Not all tape is safe for sleep. Here’s why using normal or medical tape for mouth taping can be risky—and what materials doctors and dentists recommend instead to support nasal breathing safely.

Read more