Well, see, I'm vegan so I have a very good transit which leads to sometimes multiple number two's a day. Wiping with toilet paper this many times irritates it (to the point of actually breaking the skin). Maybe if I use baby wipes this will help? There are some weeks that it's better and my anus has a chance to heal.
I have a " Toto Washlet" toilet system. It is nice and gentle but keeps everything back there nice, feeling fresh and clean Check it out