DIAMOND STRENGTH TECHNOLOGY (DST) Pro-Formance is the perfect choice for creating beautiful nail enhancements. The high quality and strength is achieved through DST which utilizes superior molecular cross-linking. Pro-Formance will maintain its durability regardless of your client's lifestyle. PLEASE NOTE: Akzentz products are intended for use by trained nail professionals and are sold exclusively through professional nail distributors like The Nail Hub. As such these products cannot be sold into another distributor's area. Please check the list of all restricted states/provinces/countries HERE.