**Again, this process makes the etching permanent. The cream is an acid, and etches away at the surface of your glass…….transforming the look of your glass permanently. So you cannot rub or wash the etching off. Then I rinsed off really well with water and used my fingers to rub it all off. Then I peeled back the vinyl and rinsed again with soap and water. Dry your glass and admire the beautiful etching, all done for you by the cream.