OPI Nail Envy Big Apple Red Be Red-dy for anything in an iconic strong red crème nail strengthener. Nail Envy® with Tri-Flex Technology™ strengthens and protects against chipping, peeling, and splitting, resulting in healthy looking, vibrant nails that are 95% stronger in 1 week. This iconic bold red nail strengthener will toughen up nails big time thanks to Tri-Flex Technology™, a liquid shield that reinforces the nail with layer-building strength. The vegan formula strengthens and protects against chipping, peeling, and splitting, resulting in healthy-looking, vibrant nails that everyone will envy. No animal-derived ingredients or by-products. Nails are 95% stronger in 1 week. 94% of consumers said nails instantly improved. 98% of consumers agree nails feel nourished after 1 week. 9-free. Free of Formaldehyde, Formaldehyde Resin, Toluene, Xylene, Dibutyl phthalate (DBP), Camphor, Parabens, Ethyl Tosylamide, and Triphenyl Phosphate. Use Apply 2 coats to bare nails followed by an additional coat daily. Remove on day 7 if desired.