my baby is 4 month old i use wowper diaper but that diaper is affect my baby bum after using this diaper my baby bum is black i used rash cream an lotion but black is not going what i do for that

A. I am actually never heard of that brand so I would just like to tell you in this case you can just go ahead with using Boroline anti septic cream as of now that is what is going to be quite helpful for you to go ahead Re