Most clients have heard me rave about Great Lengths for the past year. What actually is GL? Is it a course, service, or product? Yes, all of the above; the company is an Italian hair distributor with its signature application method. This fall, I took the plunge and received certification with Great Lengths from several talented extension artists. Not only did I perfect my techniques, but I also aligned my business with a premium hair extension company. The hair is double-dra