Be Red-dy for anything in an iconic strong red crème. 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.