Breathe Easier, Naturally
Nefense Launches Hypochlorous Acid Nasal Spray Line for Advanced Airway Hygiene and Respiratory Health
Nefense has launched a full line of Hypochlorous Acid (HOCl) nasal sprays, offering drug-free airway hygiene for every age group — from infants to adults. The flagship product, Hyponasal, uses a
The launch comes as the global nasal spray market heads toward $13.52 billion by 2035, according to Precedence Research. Nefense is targeting the fast-growing anti-pollution sub-sector, which is expanding at a 5.8% annual rate.
HOCl: A Century-Old Science Now in Your Nose
Hypochlorous acid is not new. Human white blood cells produce it naturally to fight pathogens. Doctors first used it in World War I to clean infected wounds. By 1993, scientists had stabilized the molecule for consumer use, first in dermatology and eye care, according to Sault Star.
Unlike steroid sprays that suppress inflammation or decongestants that shrink blood vessels, HOCl works differently. It physically flushes debris from the nasal cavity. It also oxidizes — or breaks down — the outer shells of viruses, bacteria, and fungi on contact. Nefense calls this a "biocleanse," The Whig reported.
Three Products Tailored by Age and Concentration
Nefense launched three versions of its spray. Hypobaby is made for infants under three years old and uses a 40 ppm HOCl concentration. Hyponasal Junior, for older children, steps up to 50 ppm. The adult Hyponasal uses a clinical-grade strength for broad-spectrum antimicrobial action, according to Chatham Daily News.
A two-pack of adult Hyponasal retails for around $19.99, with promotional pricing as low as $14.99. The key formula used across all three products is called "Ionoxx," which Nefense says solves a long-standing problem: HOCl has historically degraded quickly or caused stinging when the pH is off, Pincher Creek Echo reported.
Founders See Nasal Hygiene as Daily Habit, Like Brushing Teeth
Dr. Richard Downs, a dental innovator with over 40 years of experience, founded Nefense. He previously developed Oracare, an oral hygiene product using activated chlorine dioxide. "Proper airway management begins with maintaining a clean and healthy nasal cavity," Downs said. "We are setting a new standard for everyday respiratory hygiene."
Sleep specialist Dr. Joseph Zelk helped shape the product line. He links nasal hygiene directly to better sleep. "The anti-inflammatory and antimicrobial properties of HOCl make it a remarkable tool for naturally clearing the airway and supporting healthier breathing," Zelk said. Pediatric expert Dr. Shane Smith added that parents "constantly struggle to find safe, drug-free solutions" for children's congestion, Goderich Signal Star reported.
Science Shows Promise — With Some Limits
Clinical trials from 2021 to 2023, including the COVICONTROL study, tested HOCl as a respiratory antiseptic. One user, Dr. Lindsey Laboski, said she was able to "stop taking any kind of allergy medicine" after using Hyponasal. HOCl is also widely praised as a post-surgery rinse after sinus procedures to prevent infection, according to Chatham Daily News.
However, a study in the American Journal of Rhinology & Allergy found HOCl did not always beat standard saline in year-round allergy cases by a statistically significant margin. Traditional pharmaceutical makers also argue that steroid combinations offer longer-lasting relief for structural nasal problems that a biocleanse alone cannot fix, Pincher Creek Echo noted.
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