OPI Nail Envy Original Nail Strengthener is the next generation of Nail Envy® nail strengtheners. Formulated with Tri-Flex Technology™, a liquid shield that reinforces the nail with layer-building strength.
Also infused with biotin, calcium, vitamins A, C, and E, this vegan formula* strengthens and protects against chipping, peeling and splitting, resulting in healthy-looking, beautiful nails.
 How To Use :- 
-  Apply 2 coats to bare nails followed by an additional coat daily.
- After day 7, use an OPI Polish Remover to remove the nail envy nail strengthener if desired.
-  Repeat the application process again if needed.
Pro tip: 
 For extra protection, apply a coat of Nail Envy® Original before this highly pigmented blue.