Introducing the revolutionary new Glass cleaner from Dark Crystal Glass. Quickly and easily remove tough stuck on resin from glass, ceramic, quartz, acrylic and even titanium smoking accessories. This unique cleanser is non-toxic, phosphate-free, safe for the environment and is even safe enough for human consumption! The liquid cleaner is reusable, even after numerous rinses and does not have an expiration date so it can be reused for years to come. Made from 100% natural plant-based ingredients derived from renewable sources, this extra-strength odorless cleanser can also be heated up for added cleaning power.