Do your clients refer to you for one specific reason aside from, "the place I get my facials"?
Do they refer to you as "XYZ, they have this amazing Caviar Facial that is unlike any other!?
Big difference there. Do you have a signature? If you do, what sets it apart from anything they can get down the block, or next town over?
Be the place that smells like warm vanilla when you walk in, that offers a signature Cinnamon & Clove scrub in the winter, that is to die for!
Be the massage therapist who not only gives a phenomenal massage, but offers a delicious smelling butter rum hand and foot treatment during the winter!
You can have a year round signature, seasonal or whatever works best for your style - just don't forget to see what's new, and how your competition is evolving.