It occurs relatively often that man and women struggle with an irritated skin while running. For both sexes it is different. Due to the fact that man sweat and wear repeatedly nothing underneath their running shirts they could end up with bleeding nipples.
On the other hand women have to overcome other difficulties, like friction caused by their bra's and/or heart rate monitor straps.
An overall problem that not only runners face is the experience of blisters on your feet that can be caused by many reasons. We advise you when you often have to deal with blister, use the Reskin pre-emptive.