Bonding Agent Bondex is a patented and reliable formula designed to replace primers safely and effectively. It creates a strong bond between natural nails and acrylics, significantly reducing lifting and minimizing the need to trim old acrylic during fills. The proprietary Acrylo/Keratin Bonding Agent in Bondex ensures compatibility between natural nail keratin and acrylic, resulting in a consistent, durable bond. Suitable for use with any standard liquid and powder system, Bondex serves as a comprehensive primer alternative.