Siller Prof. Zefir Builder Gel, Self Leveling No Shrink Hard Color Nail, 22 Shades, Hema & TPO Free (Zefir Gel 12, 30ml)

Siller Professional Zefir Builder Gel features a new-generation hard color gel formula created for fast strengthening, smooth overlays, and durable salon-quality nail architecture. The richly pigmented self-leveling consistency makes it ideal for strengthening the natural nail plate, building apex structure, and creating elegant overlays with stable color and shape retention. Its advanced no shrinkage formula keeps the built nail architecture smooth and strong even on longer lengths, helping prevent shape loss after curing. PERFECT FOR: Fast nail strengthening Natural nail overlays Upper dual forms Lower sculpting forms Nail extensions and corrections Long nail structure building PRODUCT FEATURES: Hard builder gel structure Bright pigmented shades Self-leveling easy control No shrinkage after curing Suitable for upper and lower forms UV/LED cure time: 60–90 sec HEMA free and TPO free AVAILABLE OPTIONS: 22 shades 15ml, no brush 30ml, no brush Perfect for professional nail technicians, salon overlays, sculpted extensions, and long-lasting colorful strengthening sets.

• Hard color builder gel designed for fast nail plate strengthening, overlays, and salon architecture building
• No shrinkage formula keeps nail shape stable and beautiful, especially on long lengths and structured overlays
• Suitable for upper dual forms and lower sculpting forms for extensions, corrections, and salon modeling
• Self-leveling texture allows smooth application with controlled structure building and 60 to 90 second UV LED cure
• Available in 22 vibrant shades and 2 refill sizes: 15ml and 30ml no brush jars