CJ Nails offers excellent service, cleanliness, and quality. The salon is ready to accommodate appointments promptly, and the nail technicians are skilled and attentive. The atmosphere is pleasant, with a clean and comfortable environment. The reviews praise the salon's ability to deliver long-lasting results, with one reviewer's nails lasting three weeks. The pedicures are also highly praised, with one reviewer willing to drive 30 minutes from Cambridge to get the "city" quality service. Customers appreciate the friendly staff and the warm welcome they receive. The salon has earned a 100% tip from a satisfied young customer, who loved the experience and the beautiful work done on her nails. Overall, CJ Nails is a great place to get your nails done, with a 10/10 recommendation from satisfied customers.