The cleaning product includes, separately, (A) a descaling substance consisting of a mixture of nitric acid and hydrofluoric acid, a thickener, a surfactant, an indicator, water and, optionally, a propellant; and (B) a fixative composition that consists of a base, a thickener, a surfactant and a propellant. This cleaning product is useful for cleaning titanium surfaces such as titanium facades and panels.