Builder Gel Nail Extensions

Learn builder gel — a versatile nail system used for overlays, extensions, and strengthening. Covers BIAB and hard gel techniques.

• What are builder gel extensions? Difference between builder gel, acrylic, and soft gel extensions; advantages: strong, flexible, odourless, long-lasting; types of builder gels: clear, pink, white, and coloured; nail shapes: square, oval, almond, coffin, stiletto
• Tools: nail forms, brushes, files, buffers, cuticle pushers, nail tips, clippers, dappen dish; products: builder gel, base coat, top coat, primer, dehydrator, cleanser; UV/LED lamps: curing times, wattage, and safety
• Nail structure and growth, recognizing contraindications: damaged nails, infections, fungus; nail types and suitable builder gel techniques; maintaining natural nail health under extensions
• Conducting consultations and record-keeping, client assessment: nail health, length, shape, and desired design; sanitizing hands, tools, and workspace; removing old products; nail shaping, buffing, cuticle care, and applying dehydrator/primer
• Step-by-step: Nail Tip or Form Placement → Builder Gel Sculpting (applying base coat and curing, building nail structure: apex, free edge, and side walls, layering builder gel evenly, avoiding air bubbles, heat spikes, and over-curing) → Filing, Shaping & Finishing → Cleansing and finishing touches
• Performing infills and maintenance every 2–3 weeks, rebalancing nail structure, repairing broken or damaged nails, safe removal or reduction of builder gel, aftercare advice for clients
• Sterilization and disinfection of tools, safe use of UV/LED lamps, preventing allergic reactions, ergonomics and posture, salon safety, waste disposal, and professional conduct
• Common issues: lifting, cracking, uneven curing, bubbles; prevention techniques; correcting nail structure or design flaws; repairing broken or damaged extensions

• Apply builder gel professionally
• Offer BIAB and overlay services
• Receive certification

Frequently Asked Questions