Evapo-Rust ER004 The Original Super Safe Rust Remover, Water-Based, Non-Toxic, Biodegradable, 32 oz Removes even heavy rust completely Removes rust without scrubbing Non-toxic, Biodegradable, Non-corrosive, Safe on skin and eyes, No fumes or bad odors, Contains no acids, bases, solvents, or VOCs Safe for use on; cast iron cookware, grill grates, antiques, tools, auto parts, clocks, sewing machines, toys and more. Will not harm unrested steel, safe on other metals and Will not affect plastic, PVC, Viton and most paints Contains No Acids Non-Toxic Biodegradable No Fumes Safe on skin