A breakthrough hayfever treatment clinically proven to relieve hayfever and other common allergies. Immediate action. Antihistamine and stereoid-free. Prevalin relieves the symptoms of hayfever in the nose and eyes without causing side effects. Once shaken prevalin becomes a liquid that can be easily sprayed into the nose. It then forms a stable and impermeable microgel barrier blocking the allergens from irritating the nasal mucosa and causing symptoms. Prevalin also stimulates the clearance of pollen from the body. It can be used by children from 6 years old, pregnant women, breastfeeding women and athletes
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