never ever had prop,hg or ugl that hurt.i've had 500mg/ml eq that drops you to the floor.that's why i never go higher than 350mg/ml for anything.no need to.prop,sust,susp...never a problem.shot winny once and no more.delt was gone for a week.never had normal gear that ever hurt unless made with way too much EO or with too high a BA/BB concentration.