Toughen up with a dark red pearl nail strengthener you’ll luv. 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 deeeep 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. Our 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.