Why ate you saying to use a NON detergent?Worst poison ivy I got was when I climbed a tree in a park to practice my set up. Maintenance had just finished the area. I'm assuming the small plant they weed whipped at the base of the tree was poison ivy. All over my rope, gear, pack, etc.
Check the dish detergent section. You want a non detergent, unscented dish soap. Uroshiol is an oil, soap helps break it down. Scrub with soapy water, rinse it off in shower or laundry tub, hang dry in front of a fan.
Sounds simple but it took hours...better than another week of Prednisone and antihistamines.
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