Amino Bond Intense Bonding Treatment - Nexxus Amino Bond Intense Bonding Treatment activates bond-building technology in just 3 minutes to seal in moisture, protect, and strengthen hair.BenefitsSALON-QUALITY: This lightweight leave-in Bond Repair System formula works inside and out, with visible results as it helps to mend split-ends.PROTEINFUSION INGREDIENT BLEND: Nexxus exclusive ProteinFusion blend with 5 amino acids & keratin protein penetrate deep to rebuild and strengthen bonds at the core.HOW TO USE: Start with the AminoBond Shampoo and Conditioner system. Then apply this repairing serum to clean, damp hair, working it evenly throughout. Do not rinse it out.SCIENCE OF HEALTHY HAIR: Nexxus formulas are crafted with H4 complex to restore and protect the four signs of healthy hair: moisture, strength, shine & elasticity.AMINO BOND TREATMENT FOR DAMAGED HAIR: Designed specifically for damaged hair, this shampoo, conditioner, and treatment system repairs up to 5 types of hair damage in minutes for your healthiest, strongest hair.SEE THE SCIENCE: Featuring patented bond-building technology designed to rebuild broken bonds and generate new ones at the innermost core, restoring hair from within. - Amino Bond Intense Bonding Treatment