OPI Nail Envy Nail Strengthener, Original, .50 fl. oz.

Next generation of Nail Envy® nail strengtheners with new packaging, now 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.
*No animal-derived ingredients or by-products.

To use: Apply two coats of Nail Envy to begin with, then follow with a single coat application every other day.