Bug-X 30 Insect Repellent Spray. 30% DEET in a water-based formula. Pleasantly scented, non-greasy, non-staining. Provides over 7 hours of complete protection from mosquitoes that may carry West Nile virus. Effective protection from mosquitoes, gnats, no-see-ums, sand flies, black flies, deer flies, stable flies, biting flies, ticks, chiggers, red bugs and fleas.