The Spa at Mar Hall features 11 treatment rooms, Rasul mud Chamber and Relaxation areas. DECLÉOR has dedicated 38 years to researching the science of Aromatherapy. It is this unrivalled expertise, groundbreaking product innovations and advanced professional treatments that has made it the world's most trusted professional spa brand. DECLÉOR provides an extensive range of Aroma Face and Body Rituals which address every skincare need and are supported by exceptional professional products carefully created by one of the world's largest team of dedicated Aromatherapy and Phytotherapy scientists. DECLÉOR uses only the finest grade active ingredients to produce exclusive and exceptional Essential Oils which are at the heart of all the products.