Health Research on Spray Seat－Reserch report | TOILET NAVIGATION | Japan Sanitary Equipment Industry Association

Japan Sanitary Equipment Industry Association has contracted third party organizations to do research to acquire knowledge and evidence along with improving product development and educational activities. The research results will be introduced here.

Research on effects on health from using Spray Seat

* In these studies, "Spray Seat" is referred to as "Bidet Toilet".

Relationship between bidet toilet use and haemorrhoids and urogenital infections: a 3-year follow-up web survey -(Accepted form February 2018)

Effect of Bidet Toilet Use on Pregnant Birth and Vaginal Flora in Pregnant Women-(Accepted from March 2013)

Microbiological research of spray water from the nozzle of spray seat

* In these studies, "Spray Seat" is referred to as "Bidet Toilet Seat".

Effect of the Cleanliness of Spray Nozzle on the Concentration of Microorganisms in the Spray Water in Warm-Water Bidet Toilet Seats –(Accepted form May 2022)

Microorganism levels in spray from warm-water bidet toilet seats: factors affecting total viable and heterotrophic plate counts, and examination of the fluctuations and origins of Pseudomonas aeruginosa-(Accepted form October 2017)

Bidet toilet seats with warm-water tanks: residual chlorine, microbial community, and structural analyses-(Accepted form July 2015)

Research on hand hygiene from using spray seat

* In these studies, "Spray Seat" is referred to as "Electric Toilet Seats with Water Spray".

Microbial contamination of hands with or without the use of bidet toilets (electric toilet seats with water spray) after defecation –(Accepted form December 2021)

The Use of Electric Toilet Seats with Water Spray Is Efficacious in Maintaining Hand Hygiene
in Experimental Model -(Accepted form March 2018)

The explanation by the researcher who studied the benefits of spray seats use for hand hygiene is shown here.

Explanation of Research Results by Researchers Specializing in the Prevention, Disinfection, and Sterilization of Infectious Diseases

In order to have better understanding on the research above, Japan Sanitary Equipment Industry Association asked an expert about basic knowledge of germs and infectious diseases etc..

Risks of Infection and Measures Against Intestinal Infections (especially norovirus) in Restrooms

Japan Sanitary Equipment Industry Association had an interview with an expert, one of Japan's leading authorities in prevention, disinfection, and sterilization of infectious diseases, and asked about hand hygiene and prevention of intestinal infections.

Asking an expert in prevention, disinfection, and sterilization of infectious diseases, risks of infection and measures against intestinal infections (especially norovirus) in restrooms.