Dissolves hard water mineral deposits and soap scum. The non-abrasive formula won't strip protective finishes, cause discoloration, etch or damage sensitive surfaces like other harsh descalers. Deodorizes with fresh wintergreen scent. No bleach, ammonia, or phosphates. Nonabrasive. Can be used on sinks, toilets, tubs, ceramic tile, showerheads, faucets, glass shower doors, chrome, stainless steel, glassware, coffeemakers, steam irons, dishwashers, washing machines, and much more. Will not harm drains or pipes, including PVC.