Details: The CND PLEXIGEL System is a versatile, convenient brush-in-bottle gel nail enhancement system that provides up to 3+ weeks of strength, length, and shape. Fill it: Save cracked nails with wearable patches. Fix it: Repair broken nails. Shape it: Plump and shape flat nails. Build it: Create customizable length. CND PLEXIGEL Builder is a brush-on gel enhancement that provides strength, architecture, and moderate/long length to the natural nail in a variety of shades . 0.5 fl. oz. What It Does - Creates strong, lightweight, medium to long enhancements - Provides versatile service options; can be used over a tip or a sculpting form for customizable length - Repairs broken nails for longer lengths - Allows for building an apex and architecture on nails requiring more shape or length transformation Ingredients Tetrahydrofurfuryl Methacrylate, Triethylene Glycol Dimethacrylate, Silica, Trimethylbenzoyl Diphenylphosphine Oxide, BHT