Cosmo Nails is an up-scale boutique and voted one of the best nail salons in Rhode Island in 2019. With over a decade of experience in gel polish, dipping powder, manicures, pedicures and waxing, Cosmo is the trusted name for beautiful and healthy nails. Experience award-winning services today. Walk-ins are welcome but appointments are recommended (please visit our website to book online). The salon welcomes women and men to this sophisticated retreat.