M Salon is Houston's premiere full-service day spa and salon. M Salon offers luxury spa and salon treatments by top hair stylists. Our spa and salon is located in the heart of Houston's Greenway Plaza. Spa and salon services range from facials spa treatments, manicure & Pedicures to hair styling and extensions. During your first visit to our Houston Spa & Salon your stylist will offer a personal consultation to fit your individual needs.