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.