Find out why Condé Nast Traveler says it’s one of the world’s best spas. Thailand’s leading natural cosmetic brand and worldwide phenom, THANN made day-spa THANN Sanctuary an oasis of warm bamboo and greys, high-ceilings, soothing light and calm. THANN Sanctuary at Gaysorn is fully equipped with six treatment rooms, a steam room, and certified holistic therapists trained in aromatherapy and massage. Try the deep-tissue oil THANN Sanctuary Signature Massage and you’ll be hooked! Other treatments include Ayurvedic Shirobhyanga head massage, Healing Stone Body Massage and anti-oxidant Japanese Nano Shiso Therapy.