Cosmo Lux Nails & Spa is a nail salon and spa in Renton, Washington offering nail enhancements such as acrylics, dipping powder, and gel extensions, along with spa pedicure treatments focused on exfoliation, moisturizing, and nail care. Its service menu also includes specialty pedicure packages featuring personal pedicure tools, scrub, callus remover, collagen mask with hot towels, paraffin wax, hot stone massage, massage cream, and polish. The business emphasizes beauty, relaxation, and attentive customer service.