To provide a glaze containing a substance having a photocatalytic function which exhibits high photocatalytic function only by being applied on a base material and fired to sinter a large quantity of the substance having the photocatalytic function on the base material, has excellent water resistance and weather resistance and forms a glazed layer having excellent adsorbing poroperty without specially adding a material having excellent adsorbing property and a product formed using the same and having the photocatalytic function.

The glaze containing the material having the photocatalytic function contains the material having the photocatalytic function and is formed into a mat glaze.