4Bond Molecular Bonding System 4oz Kit The newest technology solving the never ending issue of broken internal hair bonds during most chemical, thermal & mechanical services. 4Bond achieves truer, richer & deeper color retention and deposit, while infusing & rebuilding the hair strands with Keratin Amino Acids, Hydrolyzed Quinoa Protein & Baobab Protein. 4Bond features four key ingredients infused into a uniquely crafted, easy to use system. It works with not only the newest advanced polymer, but infuses three additional ingredients within the hair shaft to ensure the shiniest, healthiest head of hair possible inside & out during all chemical & color services. 4Bond has been...