If you are going through a lot of brush and get cut up rub down exposed skin with rubbing alcohol when you get back. Yes it will sting but most of you have tattoos, so suck it up. A ton plants use chemical and bacterial warfare a quick rub down will stop itching, swelling dissolve oils and kill infection. If you think you have nettle burns use baking soda or peroxide. This is a simple thing that will save you from a lot of rashes and pain.