Saline nasal sprays are a collection of over-the-counter products designed to provide relief from nasal congestion and dryness. These sprays are formulated with a simple saline solution, typically a mixture of purified water and sodium chloride, which mimics the natural composition of the body's own fluids. The primary function of saline nasal sprays is to moisturize the nasal passages, helping to alleviate discomfort caused by dry air, allergies, or colds. By keeping the nasal passages moist, these sprays can also aid in the removal of mucus and allergens, promoting easier breathing and reducing the risk of nasal irritation.

Saline nasal sprays are available in various forms, including isotonic and hypertonic solutions. Isotonic saline sprays have a salt concentration similar to that of the human body, making them gentle and suitable for daily use. Hypertonic saline sprays, on the other hand, have a higher salt concentration, which can help draw out excess fluid from swollen nasal tissues, providing additional relief from congestion. These products are often recommended for individuals of all ages, including infants and pregnant women, due to their safety and lack of medication.

The collection of saline nasal sprays on the market includes options with added features, such as preservatives for extended shelf life or aloe vera for added soothing properties. Some sprays come in convenient travel-sized bottles, while others offer larger quantities for home use. With their simple yet effective formulation, saline nasal sprays are a versatile and essential tool for maintaining nasal health and comfort in various environmental conditions.