Canesten Anti-fungal Topical Solution 20 ml Canstein e.g. solution is used to treat fungal skin infections such as ringworm, sports foot, fold fungus, and fungal infections of the outer and middle ear. It is also effective in treating skin infections caused by yeasts, skin fungus, mildew, and other fungi. It is specially suitable for use on hair-covered skin, and in cases of fungal infections of the outer ear, external ear inflammation, and middle ear fungus.