NasalGuard Allergy Blocking Gel - Safe Alllergy Relief All Year Round , As many as 50 million people is USA have allergies(1 in 5), An allergy is a chronic condition involving an abnormal reaction to an ordinarily harmless substance called an allergen . FOr more more information please visit http://www.nasalguard.com/ or call 855-627-2548 ,or E-mail - info@nasalguard.com