Sharpline Men’s Hair Studio opened May 15 at 800 E. Arapaho Road, Richardson. The business offers haircuts for men, children and seniors. Add-on services such as hair designs, beard coloring and eyebrow waxing are also available. For the first month of business, haircuts are offered at half price.The business is closed on Sundays. 214-709-8110. www.sharplinestudio.com