In nail Arts Schools, students learn how to provide manicure and pedicure services to clients and prepare for licensure. . Nail art is the process of using polish, paint and other decorative elements on the nails. Paraffin treatments are used in both manicures and pedicures and consist of using hot paraffin to improve the skin or as therapy for conditions such as arthritis. Some nail technician programs will even offer topics in aromatherapy, reflexology or massage.