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When it comes to personal hygiene, few topics are as surprisingly divisive as how we clean ourselves after using the bathroom. In the United States, toilet paper has long been the default, but bidets—and modern smart toilets—are rapidly gaining popularity. So, which method is actually more hygienic, and why are so many Americans rethinking their routines?

What Is a Bidet?

A bidet isn’t some complicated European fixture reserved for luxury hotels. Today, most bidets are either standalone units, bidet attachments, or fully integrated smart toilets combining all functions in one piece.

Hygiene: A Direct Comparison

Cleaning Effectiveness

Toilet Paper: Wiping doesn’t always clean the skin thoroughly. A 2005 study published in Gastroenterology Nursing found that washing with water significantly reduced fecal bacteria. [Source]

Bidet: Water rinsing removes nearly all residue.

Skin Irritation

Toilet Paper: Frequent wiping can cause micro-abrasions.

Bidet: Gentle spray reduces friction and soothes sensitive skin.

Infection Prevention

Water helps remove bacteria more thoroughly, reducing urinary tract infection risk.

Environmental Impact

Toilet Paper: Americans use over 140 rolls per year, requiring millions of trees. [NRDC Resource]

Bidet: Each rinse uses 0.1–0.2 gallons, significantly reducing resource use. [Scientific American]

Cost Considerations

Toilet Paper: Average households spend $180–$250 annually.

Smart Toilet: High-end models cost $600–$4,000 but save paper over time.

Recommended Smart Toilet Models

• TOTO NEOREST RH Dual Flush Toilet: Warm wash, auto lid and flush, eWater+ sanitization.
• Kohler Veil Intelligent Toilet: Touchscreen remote, UV nozzle sterilization.
• CASTA DIVA CD-K030PRO: Auto lid, warm wash, heated seat, pump-assisted flush.

Selection Guide

Final Thoughts

Whether you care about hygiene, comfort, or environmental impact, smart toilets offer clear benefits. From TOTO Neorest to CASTA DIVA, upgrading your bathroom has never been easier.