CND Weekly Nail Polish Vinylux Top Coat The sealing layer of the colored Vinylux varnish with a protective role, provides gloss and resistance for up to 7 days. CND Vinylux Top Coat works best when paired with any CND™ Vinylux™ color as the final step to create high-gloss, long-lasting, low-maintenance nails. Benefits of CND Vinylux Top Coat Resistant to scratches, chipping, nails become perfectly glossy, the innovative formula contains Pro-Light Technology™, offers increased durability when exposed to natural light. CND Vinylux Top Coat features the CND™ ergonomic brush holds the curve for easy, flawless application every time and provides a glossy finish youll love