MakarttPro Builder Nail Gel Series – 12 Neutral Shades for Natural Overlays, Sculpting & Strengthening Enhance your nail services with MakarttPro’s Builder Nail Gel Series, created for professional nail technicians who demand performance, control, and long-lasting wear. This builder gel collection includes 12 expertly curated neutral cover shades that flatter a wide range of skin tones—perfect for natural overlays, soft gel sculpting, tip extensions, and strengthening weak nails. Each 17ml bottle is formulated with a smooth self-leveling texture and professional-grade viscosity, making application precise and efficient. The gel cures to a strong yet flexible finish that resists lifting, cracking, and chipping for up to three weeks or more. Whether you're building a natural enhancement or creating a flawless base for gel polish, this series is your essential foundation for clean, elegant results.