Zanfel Poison Ivy Wash is the only product clinically shown to remove the poison ivy/oak/sumac plant toxin from the skin, ANYTIME after outbreak of the rash. Zanfel relieves itching in 30 seconds & greatly reduces healing time. Zanfel is also extremely effective for insect bites and stings. Contact us at 800-401-4002 or www.zanfel.com. See Contract #36F79724D0129 to review NSN listing.