Best diaper cream?

Allison • 12.26.16🌻 5.10.18🌻 4.20.20 Grand Finale Due March 2022

My daughter has super bad diaper rash, I've tried so many different creams that I've lost track, as well as oatmeal baths and letting her air dry. It will clear up for a day or two but always comes back. What have you used to prevent and treat diaper rash?