Infused with Calcium and vitamin complex, Stay Strong GelColor Base Coat leaves nails feeling stronger during gel polish wear. GelColor gel nail polish base & top coats now feature white caps with texture and grip, so that salon professionals can easily identify and open them. The perfect gel nail polish base coat for oily, thin, soft, damaged, peeling or bendy nails. Gel nail polish base coat cures in 30 seconds under OPI LED Light. Available to professional nail technicians only. Made in the USA.