Purées rash

Ch

Sooo we started purées hurray! He did 2 days of sweet potatoes and then today my mother in law accidentally gave him carrots instead of sweet potatoes for the third day-innocent mistake. Anyway I’ve noticed a slight rash (more irritation) around his mouth since starting purées. Is this normal or is that an allergic reaction? I don’t know if it’s because we are wiping his face more too