My handsome new rescue Eskie has ugly tear stains. I purchased a tear stain liquid cleaner Gold Medal tear stain remover which I have been using on him twice a day for a month. I am also giving him Angel Eyes natural powder--not the one with the trilosan antibiotic in it. Neither product seems to be helping. I also brought him to the vet a month ago and he did have to go on antibiotic eye ointment for a week for a low grade eye infection which has clear up. Any suggestions to get rid of the tear stains. They look pretty bad and really detract from his appearance.