As the original curable gel nail system, Bio Sculpture Gel has been tried, tested and proven. Bio Sculpture Gel is the ONLY nail system with a 5 STAR SAFETY RATING. The Bio Sculpture Gel System can be used to lengthen the natural nail, build Upper Arch support, Re-enforce the natural nail, build extended Sculptures, do Silk Repairs and create painstakingly beautiful nail art - including hand painting with Gel and more.