When spring arrives and hayfever season strikes, airborne allergens can take over your life, triggering sneezing, congestion and discomfort that disrupts work, sleep and everyday activities. Sterimar Hayfever and Allergy Relief is a natural and effective isotonic nasal spray clinically proven to reduce allergic flare-ups by 42% when used daily*.Made with 100% natural sea water sourced from the pristine Bay of Cancale in France and enriched with manganese, this nasal spray works by gently washing out allergens from the nasal passages, eliminating pollen, dust and other irritants at the source. Free from drugs, steroids and preservatives, this hayfever nasal spray offers rapid symptom relief with no side effects and is it is suitable for daily use by adults, children from 3 years old, and throughout pregnancy and breastfeeding. The micro-diffusion nozzle allows easy application at any angle, while regular use helps prevent allergic reactions, maintain healthy nasal passages and support your body’s natural defences. Simply use 2 to 6 times daily: insert the nozzle, depress briefly, blow your nose, and repeat. Can be used alongside medicated products based on a doctor’s advice. From Sterimar, the UK’s No. 1 GP-recommended nasal spray brand**, this spray helps you reclaim comfort, clear breathing and uninterrupted sleep throughout allergy season, making daily nasal hygiene your natural partner in lasting wellness.*Study on 60 adults, where 30 used Sterimar™ daily for 5 months alongside standard treatment**GPrX data: UK, non-medicated nasal sprays, November 2025. For verification, please contact: UKenquiries@churchdwight.com