Rich in Japanese décor and inspired by French influences, IRIDIUM featuring SOTHYS offers a sublime retreat where guests may experience quintessential body treatments designed to address every skin and body care need.  

Located on the 14th floor of the St. Regis Hotel Osaka, this 355-square-meter spa is a welcoming oasis of pampering in the most inviting of urban settings.  

IRIDIUM featuring SOTHYS spa offers luxurious service and incomparable treatments by aestheticians trained by the Sothys Institut de Beauté in Paris. Rooted in history and tradition since 1946, this professional skincare company has inspired the spa’s treatment menu, which is designed to regenerate the mind and body.