Denes has been a leader in natural health care for cats and dogs since 1951. Best known homeopathically in the context of skin problems. It can help with cases of fox mange and with flea allergy dermatitis and with many other skin conditions. Sulphur is generally used to help soothe skin irritation, as well as dandruff, scabs, sores and smelly (seborrhoeic) greasy skin. Made in the UK Age range description: All Life Stages. Item display volume: 15.0 milliliters.