THESA Build & Flex™ Builder Nail Gel (15ml)

The ultimate multitasker for flawless, long-lasting nails.

THESA Build & Flex™ Builder Nail Gel is a professional-grade, brush-on formula designed to strengthen natural nails, build extensions, secure rhinestones, and create smooth, sculpted overlays—all in one bottle.

Its thick, self-leveling texture gives you control without flooding the cuticle, making it perfect for beginners and pros alike. Whether you’re reinforcing weak nails or creating structured extensions, Build & Flex™ delivers durability, flexibility, and a glassy finish that lasts.

Why it belongs in your nail routine:

• Strengthens weak or thin nails

• Builds length & structure with ease

• Thick, non-runny, self-leveling formula

• Doubles as rhinestone & charm adhesive

• Brush-in-bottle for mess-free application

• Requires UV/LED curing

Strong. Sculpted. Salon-perfect—without the salon.