Medical; First Aid; Zanfel Poison Ivy Wash is the only product clinically shown to remove urushiol, the toxin found in poison ivy, oak, and sumac, ANYTIME after outbreak and relieve itching within 30 seconds. There are no known side effects and Zanfel has a 10 year shelf life. Also, Zanfel allows the employee affected by poison ivy to return to work immediately, in an itch free and healing state. Please contact us ...