Faultless Iron Cleaner, .1 oz. tube. The new Extra Strength formula is removes residue on your steam iron, flat irons and curling irons. Use Faultless Iron Cleaner to remove tough build-up of melted webs, fusibles, iron-on interfacings, trims, burned-on synthetics and coating caused by excess hair products. (Do not use cold; iron MUST be hot -- use care when handling.)