True Heaven Tough Lime Scale Stain Descaler Remover, Spray and Scrub Cleaner has the revolutionary DAC technology that cuts the lime scales and separates it from the surface. protects redeposit ions and dissolves the separated scale particles and removes it away easily without leaving any residue of either scale or liquid. Spray on the surface and rub with the scrubber and clean with the plain water and the wipe with the dry cloth to get the shine in your bathroom fittings..