CND Vinylux Gel-Like Effect Long Wear Top Coat is a strong top coat that adds volume & helps protect nails, while keeping a flawless 7 day wear & gel-like shine. Professional multi patented formula.7-day, chip-resistant wear. Plump & Gel-like shine with the quick & easy removal of regular polish. Stronger formula to helps protect nails. Pro Light technology to increase durability with natural light. No UV light needed for ultimate wear and gel-like shine!