Kosmo Nail Bar

Kosmo Nail Bar in Rockville offers a pleasant experience, with friendly technicians and high-quality services. The salon has an online booking system for easy appointment scheduling and offers a range of services, including manicures and pedicures. Reviewers have praised the attention to detail and patience of the technicians, with one client noting that they have never had a bad experience in three and a half years. The salon's aesthetic is also commended, with a cute and well-designed interior. Some minor suggestions for improvement include adding locks to the bathroom doors and separating natural and chemical nail services. Overall, Kosmo Nail Bar is a popular choice for nail care, with loyal clients returning for their excellent services.