About Color Difference: Due to the thickness you apply, any color difference of the computer/mobile display and photographic lighting effect etc, the colors will have slightly different from the pictures. UV and LED Compatible: This gel cures efficiently under both UV and LED lamps, ensuring a durable and long-lasting finish. No Need for Slip Solution: With Gellen Builder Gel, there's no need for a separate slip solution, saving you time and hassle during application. It’s easy to create nail extensions or other nail art designs on natural nails in minutes using nail forms or nail tips. Strong and Durable: The Gellen Builder Gel provides a strong, durable enhancement to natural nails, while also adding color and strength for a flawless look. Versatile Use: This builder gel can be used for extending nails, thickening nails, nail sculpting, reinforcing base gels, attaching rhinestones as a glue gel, and for other 3D nail designs such as butterfly nails or water ripple nails.