In one embodiment, the invention is a method comprising contacting a composition comprising i) alumina particles having a particle size of about 1 to about 40 microns and a Mohs hardness of about 9.0 to about 9.5; ii) one or more alkyl sulphates; iii) one or more thickeners; and iv) water with the surface of glass or a ceramic frit disposed on the surface of glass. The contacting can be performed by applying the composition to the surface of the glass or the ceramic frit using an application apparatus. In one embodiment, the composition further comprises a lubricant. In another embodiment, the composition further comprises one or more ethoxylated alcohols. In another embodiment, the composition further comprises one or more fragrances.