In 2026, the Japanese-style "Smart Toilet" or Bidet Toilet (like the TOTO Washlet or Kohler Numi) is considered the gold standard for hygiene. These units use electrolyzed water (EWATER+) to mist the bowl and wand, killing bacteria naturally without harsh chemicals. Key hygienic features include rimless designs that eliminate "nooks" where mold grows, and automatic lids that open and close via motion sensors, preventing the need to touch any surfaces. Furthermore, from a personal hygiene standpoint, washing with water is significantly more effective and less irritating than using traditional toilet paper. Modern "smart" models also feature high-efficiency tornado flushing that clears the bowl completely with minimal splash, reducing the spread of airborne particles (the "toilet plume") during the flush.