The ceramic wares are glazed. The usual Yachimun glazes used are iron glaze, cobalt glaze, ash glaze, among others. In addition, other types of glaze such as Ryūkyū Gusu cobalt glaze made by mixing green glaze and iron glaze and a green glaze called Oogusuya made by mixing the ashes of Ficus retusa with brass. Designs are generally painted before glazing.