Factory Price 18ml Acid-Free Nail Primer Hema-Free & Hpma-Free Long Lasting Non Acid Bond Primer for Acrylic Nails. Ultra-Strong Adhesion (28+ Days): Formulated for professional durability, effectively preventing edge lifting and chipping for over 4 weeks. Safe & Gentle Formula: HEMA-free, HPMA-free, and Acid-free. No burning sensation or damage to natural nails, ideal for sensitive clients. Universal Compatibility: The ultimate bonding agent works perfectly with UV Gel Polish, Builder Gel, and Acrylic nail systems. Cost-Effective 18g Capacity: Larger than standard 15ml bottles, offering better value for professional nail salons and high-volume users. Efficient Application: Fast curing and easy to apply, speeding up the manicure process while ensuring reliable results.