First there was UltraShield and now theres UltraShield EX, the new standard in fly control protection from Absorbine. UltraShield EX is the first waterproof, sweat-resistant formula that can provide 17 days of fly control. The most advanced, ready to use fly, mosquito and gnat repellent available. Contains two sunscreens. Made with natural Pyrethrins, Permethrin and Piperonyl Butoxide.