Revlon colorstay gel envy nail enamel colour. What is new better and unique about the new colorstay gel envy nail enamel base and colour formula? A) new: high-performance gel lacquer with a blend of acrylic polymers boosts shine b) better : advanced design film-forming system with 4 nail-hugging polymers and optical brightening pearl scene creates a manicure with an ultra-smooth ultra-glossy look for maximum colour dimensionality c) unique : revlon's unique formula complex helps promote a high gloss finish.