THE AIRALLE DEVICE Effectively treating lice has become fast and safe in Maryland with the AirAlle device. Our FDA-cleared medical device blows heated air through its applicator tip along the scalp and hair shafts at a higher flow (but cooler temperature) than a hair dryer. SINGLE ONE-HOUR TREATMENT A unique, single-use applicator tip specially designed to penetrate beyond the hair and right onto lice and eggs.