Unique with the meaning `being the only one' or `having no equal' describes an absolute state: a case unique in British law. In this use it cannot therefore be qualified; something is either unique or not unique. However, unique is also very commonly used in the sense of `remarkable' or `exceptional', particularly in the language of advertising, and in this meaning it can be used with qualifying words such as rather, quite, etc.
The totally unique approach of Sola Salon Studios is that we provide high impact , modern , and upscale rental space in a  salon mall  concept that allows salon professionals the opportunity to have their own business and make more money without the risks and challenges of owning a conventional salon... .all for the same rate as a chair rental , ...
The salon is still regarded as a mysterious world of thoughts and ideas, a world in which the participants soon were consigned to the role of historical figures in history books. In the early days of the salon culture these meetings were incubators of new ideas as well as the first form an urban and bourgeois culture. The first salons were formed in Paris in the early 17th century, when the nobles left their estates and are gathered in the capital around the King.