Vortix Bite Cure is designed to work on itching and irritated areas caused by insect stings and bites from mosquitoes, flies, bees, wasps and ants. Concentrated Heat & Vibration is delivered to the affected area increasing localized blood flow and circulation. For adults and children 4 years of age and older. The device is drug and chemical free. Dry the affected area thoroughly before use. Maintain on the affected area for no more than 45 seconds during each application. Can be reused, environment safe.