sally hansen continuous treatment strength uses vita-release technology in a time-release formula that reinforces weak fragile nails up to 10 days. the power of continuous treatment takes nails to an infinitely healthier more beautiful place. patented vita-release technology formula with a vitamin-mineral complex strengthens and treats problem nails. exclusive pearl protein formula creates a powerful support shield that fortifies nails for 10 continuous days to stop severe problem nails from breaking. SKU:ADIB0032VHD5E