Natural Insect Repellant. Repels Mosquitoes, Gnats, Blackflies and Ticks. 4-8 Hour Protection. Sweat Proof and Waterproof. Pleasant Aroma. Long-lasting and potent, Buzz Away Extreme repels mosquitoes, gnats, blackflies and no-see-ums for up to 4-8 hours. It even provides protection from ticks for 2 hours. For maximum protection reapply every 3.5 hours.