OPI NAIL ENVY Nail Strengthening Treatment Polish is an innovative nail care solution packed with wheat protein and calcium to enhance nail durability. Featuring Tri-Flex Technology™, this treatment acts as a protective layer that reinforces nails through a structured approach. Our cruelty-free formula protects nails from common issues like chipping, breakage, and peeling, resulting in healthy and attractive nails that others will admire. Key advantages include: nails becoming 95%* stronger within a week, 94%* of users reporting immediate improvements, and 98% feeling better nourishment in their nails after seven days of use. *Results based on directions provided. **Study conducted with 108 participants over a week of usage.