The Waldorf Astoria Edinburgh – The Caledonian is an exquisitely beautiful hotel complete with a unique Waldorf Astoria Spa. So it is fitting that their spa treatments would be just as unique and interesting as they are. One of their favourite additions to the facial treatments that they offer, is the Cryo Facial - designed to de-puff and restore the skin using the power of the cold. Here, Claire Doering, Waldorf Astoria Spa Manager, explains what it is and why it works.