Gel blocks allergens on contact. Helps prevent: sneezing; nasal congestion; runny nose; itchy nose. Targets indoor & outdoor allergies. Drug free - no side effects. Apply invisible fast-drying gel around nostrils and between nose and upper lip. Contains up to 150 applications (when used as directed). Chloraseptic Allergen Block is a unique, drug-free way to help prevent nasal allergy symptoms by blocking indoor and outdoor allergens. Chloraseptic Allergen Block is a topical gel containing petrolatum, glycerin and other ingredients. A patented formulation process creates a positively-charged gel which blocks negatively-charged allergens on contact. Airborne allergens like ragweed and dust mites can cause allergy symptoms when they enter your nasal passages. New Chloraseptic Allergen Block works by blocking allergens on contact before they enter your nose. Blocking allergens helps prevent symptoms. The invisible gel is non-greasy and quickly dries to the touch. And drug-free Chloraseptic Allergen Block will not cause side effects like drowsiness or dry mouth. Blocks Airborne Allergens including: ragweed; pet dander; pollen; house dust; dust mites. Helps prevent: sneezing; itchy nose; nasal congestion; runny nose. Non-bleaching to skin and hair. Safe for repeat application. Made in USA.