We invite you to Cary O'Brien's, a premier destination for beauty with an unparalleled hair salon and spa located in St. Charles, MO. Our hair stylists are well-known in St. Louis for their creativity and perfectionist attitudes, which is seen in each of their cuts and colors. With inspiration that's driven by the latest trends in both the hair and fashion industries, our hairstylists are highly specialized in a variety of techniques including balayage, ombres, and makeup application. Our recently renovated salon provides a modern monochromatic feel that combines luxury with affordability to create an environment that stimulates comfortability and creativity. Outside of our hair salon, our Day Spa is just steps away from relaxing treatments like facials, body massages, manicures, and pedicures.We believe in creating a single destination for beauty and relaxation by offering everything that's expected of a hair salon, nail salon, tanning salon, and professional hair removal – all within a single location, Cary O'Brien's Salon & Spa. With high-level care comes maintenance, and we provide the education and knowledge that goes hand-in-hand with hair color and styling, allowing you to effortlessly maintain your look. Browse through our special offers and spa packages to get the most out of your visit.