WHAT IT DOES • Creates an outer shield with time-enhanced durability that protects CND™ VINYLUX™ Long Wear Polish from scratching, denting, chipping and dulling for up to a week of wear. • Activates cross-linking polymerization which increases durability when exposed to natural light. WHY YOU NEED IT • For seven-day wear when used with CND™ VINYLUX™. • Top coat with ProLight Technology™ that protects CND™ VINYLUX™ and ensures week-long wear. • To provide a high-shine layer that resists scratches and dents. • The final layer that completes the CND™ VINYLUX™ System. • Ergonomic curve-hugging brush for flawless application.