what kind of bowl does he eat out of if it anything other then stainless steal they get chin acne an if it is yeast use apple cider vinegar I spray it on a baby wipe then wipe it on his tear stains or wherever theire is yeast it works so well Franklin had a yeast problem with a food an now I give him ACV in his water everyday an it never came back I feed mine blue buffalo wilderness salmon it is a six star food an he's doing great on it besides his tear stains they got worse with this food good luck I hope he gets better