Cree Multiplex Keratin & Amino Acids 2 Phase 1 Bond Maker Rebuilds strong keratin bonds (disulfide bridges) inside the hair, protecting it during any technical service: coloring, bleaching, waving, straightening. Mixed directly into the chemical treatment it prevents damage and improves results, giving healthier and more resistant hair. 2 Bond Finalizer Stabilizes the bonds created by BOND MAKER and adds nourishment and moisture to the hair, leaving it supple and shiny. Seals the outer surface of the hair shaft giving protection from external aggressions and making all technical treatments last longer.