The basics Hot Tools Styling Iron Cleaner removes styling product build-up on your curling and flat irons.  The benefits The non-toxic formula wipes off burnt-on, caked-on, product without leaving a residue, prolonging the life of the iron.  The uses Safe for tourmaline, ceramic, or metal flat and curling irons. The bottom line The Hot Tools Professional Styling Iron Cleaner is too easy not to use.