APRES Gel-X Prep Acid-Free Tip Primer 0.5oz. We’ve made the easiest nail extension system even easier! With Gel-X Prep, you can ensure maximum adhesion and strength without the trouble of etching the inside of the tip. No more dust, no more extra time! With a good scrub of our non-acid Gel-X Prep, the inside of the Gel-X tip will be properly chemically etched and ready for Extend Gel application. Gel-X Prep also works to prep the surface of the Gel-X tip after tip application, buffing and texturizing the surface to create the perfect base for color application. We’re not kidding around when we named this one Gel-X Prep! With one product, get ready to be able to perfectly prep the tip for Extend Gel AND perfectly prep the tip for color. Never has one bottle made life and Gel-X so much easier!