"Self-cleaning" in toilet marketing typically refers to one of three features: (1) continuous-clean dispensers (Kohler ContinuousClean) that release small amounts of bowl cleaner with every flush, (2) premist or pre-rinse (TOTO PreMist, Neorest) that sprays the bowl with water before each use to prevent waste from sticking, and (3) UV sanitization (TOTO Neorest 750H ACTILIGHT, Kohler Karing) that uses UV light combined with photocatalytic glaze to break down organic matter in the bowl between flushes.
None of these features replace manual cleaning entirely — you still need to clean weekly — but they meaningfully reduce buildup between cleanings and improve hygiene. The most impactful is UV+photocatalytic combo (only available in premium smart toilets), which can extend the time between deep cleanings from weekly to bi-weekly without visible buildup.
Cost ranges: Kohler Cimarron with ContinuousClean ($329–$429) at the entry point — the cleaning agent dispenser is built into the tank, you refill it every 2–3 months ($8 for 6-month supply). TOTO models with CeFiONtect glaze ($359+) — not active self-cleaning but a glaze that resists buildup so cleaning is easier. TOTO Neorest 750H ($5,999) with ACTILIGHT — the premium fully self-cleaning experience.
For practical "self-cleaning enough" at reasonable cost, the Kohler Cimarron Comfort Height with ContinuousClean dispenser is the right pick. For users who want true premium self-cleaning, the TOTO Neorest 750H or Kohler Karing are the only credible options.