Europe. This is a list of the largest cities in Europe by population within city limits. It deals exclusively with the areas within city administrative boundaries (municipalities) as opposed to urban areas or metropolitan areas, which are generally larger in terms of population than the main city.
I'm making my own soap treatment taht will have 22 different natural ingrediants that will first, remove the oils from the deep in the skin (homemade lye & lard soap is good for that) second, dry it out, third, actually cure the poison ivy dermatitis, and fourth, sooth the itching. I sure hope is works.
Apple cider vinegar is an effective poison ivy rash natural treatment. It contains medicinal properties and works by drawing out toxins from the rash. This way apple cider vinegar helps to tame he allergic reaction as well as the itch. Start off by thoroughly cleaning the area using lukewarm water and soap.