I’m not going to look up “should I was my ass with soap” .

Washing yourself is healthy, overdoing anything is unhealthy. Yes you will kill good bacteria, but you also kill bad (streptococcus for example). I use sensitive non antibacterial soap daily and mix in antibacterial wash a few times a week. Mainly for my armpits, ass, face, and junk.

Maintain a balance, but please wash your ass.