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.
There are many over-the-counter creams available. Try Tecnu Poison Oak-N-Ivy Cleanser. Tecnu is said to neutralize skin, clothing, footwear and tools and is available at outdoor and garden supply centers. Calamine lotion is also great for soothing itch and healing damaged skin after the climax of the rash.