Seche Plus Fortified Nail Strengthener an innovative treatment enriched with vitamins and minerals that strengthens, fortifies and hardens weak, thin, split, brittle and slow growing natural nails. Dries to a clear, hard, long-lasting finish. Seche Plus Strengthener the perfect base coat for problem and non-problem nails. (to receive optimal results a minimum of 6 weeks consistent usage required. Excellent product with outstanding results! My favorite!