Evidence supporting the use of: Menthol
For the body system: Sinuses

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Table of Contents

Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Menthol is commonly used to support the sinuses and respiratory system, primarily due to its well-documented cooling and soothing effects when inhaled. Scientifically, menthol acts as a counterirritant and produces a sensation of improved airflow in the nasal passages, although it does not actually reduce nasal congestion. Studies indicate that menthol can activate cold-sensitive TRPM8 receptors in the nasal mucosa, which gives a subjective feeling of easier breathing. This effect is why menthol is a common ingredient in over-the-counter remedies such as vapor rubs, nasal inhalers, and cough drops.

However, clinical trials reveal that while menthol makes people feel like they are breathing more freely, it does not significantly change objective measurements of nasal airflow or sinus function. The perceived benefit can help with symptom relief and comfort, especially during colds or allergies, but it should not be mistaken for decongestant activity.

In summary, menthol’s use for sinus support is supported by scientific studies that explain its sensory effects, but not by evidence that it physically clears sinuses or reduces inflammation. Its popularity is based on both its symptomatic relief and the pleasant sensation it imparts, making it a widely accepted, though modestly effective, support for sinus comfort.

More about Menthol
More about Sinuses

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