Boraxo Heavy Duty Soap for Powdered Soap Dispensers.
Like original Boraxo® hand soaps, this heavy duty version combines the scrubbing power of borax with the cleaning power of soap to easily dissolve grease and dirt for excellent dual-action performance when washing with water. The Heavy Duty Boraxo formula contains larger crystals to provide increased cleaning and scrubbing performance. Heavy Duty Boraxo hand soaps contains no phosphates, is 100% soluble and is safe in septic systems.