Nasal strips are externally applied adhesive devices designed to improve nasal airflow by mechanically dilating the nasal passages. Widely used for snoring relief and nasal congestion, these strips have transitioned from niche medical aids to commonly used over-the-counter products.
Their application spans sleep medicine, sports physiology, and even veterinary use, reflecting a broader relevance across respiratory function optimization.
Nasal strips were first commercialized in the United States in the 1990s. The concept is based on external nasal dilation, where embedded flexible bands lift the nasal sidewalls outward.
The design was adapted from veterinary practices, particularly for racehorses, where similar external dilators were used to improve airflow during high-performance activity. These equine applications demonstrated measurable improvements in airflow resistance, influencing subsequent human adaptation.
Nasal strips function through mechanical widening of the nasal valve area, which is the narrowest part of the nasal airway.
Adhesive strips are placed across the nasal bridge
Flexible bands exert outward pulling force
This reduces airflow resistance and improves nasal breathing
According to Sleep Foundation1, nasal strips primarily benefit individuals whose snoring is associated with nasal obstruction rather than pharyngeal collapse.
Snoring often results from turbulent airflow through partially obstructed airways. When nasal blockage is a contributing factor, such as in allergic rhinitis, deviated septum, or upper respiratory infections, nasal strips may improve airflow and reduce sound generation.
However, their effect is limited in conditions like obstructive sleep apnea (OSA), where airway collapse occurs deeper in the throat.
A clinical study evaluated nasal strips in individuals with nasal obstruction and snoring. The findings suggested:
Improvement in subjective nasal breathing
Reduction in snoring intensity in selected individuals
However, objective outcomes varied, indicating that effectiveness depends on underlying anatomical and physiological factors.
Before human adoption, nasal dilation devices were used in racehorses to enhance airflow during high-intensity exercise. Horses are obligate nasal breathers, making airway resistance a critical factor in performance.
External nasal dilators in horses were shown to:
Reduce airway resistance
Improve respiratory efficiency during exertion
reduce exercise-induced pulmonary hemorrhage
This veterinary application provided the foundational concept for human nasal strips, later adapted for consumer use.
Contemporary nasal strips have evolved beyond basic adhesive bands. Manufacturers now incorporate:
Hypoallergenic adhesives for sensitive skin
Extra-strength variants for severe congestion
Transparent or skin-toned designs for discretion
Flexible polymer bands for improved durability
Magnetic and reusable variants (in select markets)
These modifications aim to improve user comfort, adherence, and cosmetic acceptability, while maintaining the same fundamental mechanism of action.
Nasal strips are non-invasive devices that provide mechanical nasal dilation, improving airflow in individuals with nasal obstruction. Evidence suggests they may reduce snoring in cases where nasal resistance is a contributing factor, but their effectiveness is limited in complex sleep-related breathing disorders.
Their origins in veterinary medicine, followed by widespread consumer adoption, highlight a unique translational pathway in medical device development. While modern innovations have enhanced usability, the core mechanism remains unchanged.
References
Sleep Foundation. “How Do Nasal Strips Work?” Accessed April 2026.
https://www.sleepfoundation.org/snoring/how-do-nasal-strips-work?
Ulfberg, Jan, and George Fenton. “Effect of Breathe Right Nasal Strip on Snoring.” Rhinology 35, no. 2 (June 1997): 50–52. PMID: 9299650.
Høyvoll, L. R., K. Lunde, H. S. Li, S. Dahle, T. Wentzel-Larsen, and S. K. Steinsvåg. 2007. “Effects of an External Nasal Dilator Strip (ENDS) Compared to Xylometazolin Nasal Spray.” European Archives of Oto-Rhino-Laryngology 264 (11): 1289–94. https://doi.org/10.1007/s00405-007-0345-6.
(TL)
