Cuccio Builder Gel – Onyx

Cuccio Builder Gel in Onyx is a professional-grade hard gel designed for sculpting strong, elegant overlays and extensions with a deep, timeless black finish. Its LED/UV self-leveling formula ensures smooth application and long-lasting wear—perfect for enhancing natural nails or creating dramatic, dark designs. 

Shade: Deep, rich black
Finish: Glossy, opaque sheen
Size: 13 ml, 68 ml, 118 ml
Application: Requires UV or LED curing; suitable for use with Cuccio gel systems
Formula: Self-leveiling, lightweight yet strong, non-yellowing, calcium-enriched hard gel
Made in: USA

A pro-favorite, Cuccio Onyx Builder Gel delivers salon-quality strength and shine with a bold, dramatic statement—ideal for striking overlays, sculpted extensions, or powerful monochrome looks.