New gel technology. New polish-on gel formula. GelColor by OPI gives clients weeks of glossy OPI color in a service only your salon can deliver! Color-finished services that set the record for speed! Fully cured of foundation to finish in 4 minutes per set (compare to 12 minutes for standard UV cure!) Testing shows GelColor by OPI maintains shine longer than gel/polish hybrids after two weeks!. Quality. Long-lasting. No chips for two weeks.