Professional gel series for nail extension, sculpting, and reinforcement. BOZLIN’s Builder Gel line is diverse, covering forms like bottles, jars, and Poly Gel in various hardness levels. Our products focus on combining user-friendly application (e.g., non-stick properties) with final performance (hardness, flexibility, anti-yellowing). Our R&D team works closely with master nail artists to ensure every product meets all scenarios from quick natural nail reinforcement to complex artistic extensions, making them core consumables for professional salons.