Guaranteed chip-resistant protection. from America s #1 nail care brand! A salon strength protective top coat that improves nail color wear Salon tested formula with patented hardening complex biotin & spirulina creates a network that supports & strengthens weak nails. Forms a durable high-gloss shield that seals and protects manicures up to 10 days. Self-leveling formula gives smooth even professional results every time. The results. Leaves nails with a hard protective salon perfect finish that lasts.