In the heart of the 1st arrondissement, Costes unveils the Augustinus Bader spa: a 1,000 square meter oasis of luxury, wellness, and bespoke treatments where scientific innovation meets elegant design to redefine the art of high-end spa experiences. From smoky oak to statuary marble, every detail enhances the ambiance, while facial treatments, body therapies, and manicure-pedicures provide a perfectly indulgent escape... in true Parisian style.