This article explores the history, cultural perspectives, etiquette, benefits and prevalence of bathing together in Japan. It has been a part of Japanese culture since ancient times, and is believed to have purifying powers and to be a way to relax. There are two main types of bathing: communal baths shared by multiple people, or private baths found in homes or hotels. Bathing together can have many physical and mental health benefits such as improved circulation, reduced stress levels, strengthened immunity and improved skin condition. According to research conducted by the Japanese Ministry of Health Labor & Welfare (MHLW), girls bathing together accounted for nearly 20 percent of all public bathhouse visits in 2017. Etiquette rules should be followed out of respect for each other's privacy when doing so.