Other than what Bec has said...Has Al started any new or different foods that could affect him? I know some foods can cause rashes around the mouth area...

Also Matilda keeps getting a dry skin rash around her mouth & we discovered it after she eats because we wipe her face with her wipes, so we stopped that and wiped her with a wet washer & put lotion on afterwards...seems to have worked the last few days. Its a bit hard because she is such a grot...but I'd rather the effort than the rash.