On hard, non-porous surfaces simply spray Disinfexol until thoroughly wet, let sit for 5 minutes, wipe surface with clean cloth/towel or let air dry.Many disinfectants require a rinse afterwards. Two steps. Most products with HOCl as their active ingredient require a pre-clean. Two steps. Disinfexol, on the other hand, is a one-step process. No need to pre-clean or rinse. As an EPA registered, hospital-grade cleaner and disinfectant, you simply spray the surface and allow Disinfexol to do the work.