Silicone Free R.D.C is so safe you can use it on rubber, leather and vinyl. It’s non-silicone formula enhances the luster without being slippery or greasy. The finish will not attract dust or sling off of tires. Developed for use in body shops, Silicone Free Dressing leaves rubber with a satin shine. Dilute product up to 5:1 for desired sheen