Kryptonite is a Simple and Safe clay based product. 

there’s no need to recklessly shake delicate glass and ceramic pieces or subject them to abrasive materials. All of our Kryptonite products have been scientifically formulated in a lab and contain no harsh chemicals or abrasives.

Come in two sizes 3oz and  270ml bottles

DO NOT USE KRYPTONITE ON ACRYLICS AND OTHER SOFT PLASTICS.