OPI GelColor - for perfectly manicured nails in no time at all! The new LED technology not only allows drying at (almost) the speed of light, but also guarantees an incredibly long-lasting hold and unmatched brilliance! Advantages at a glance: dries extremely fast lasts up to 2 weeks long lasting gloss no nail damage after removal Technology: OPI GelColor is based on Soft Gel Technology, meaning that it does not harm the natural nail (when used by professional nail designers). The main components of OPI GelColor are oligomers, photo-initiators and colour pigments, which provide an incomparable shiny finish that lasts up to 2 weeks.