Amino acids are required for your hair to grow long and strong. It is made of a special kind of protein called "keratin". Amino acids are used in Next Level strengthening conditioner to help your hair grow and stay healthy and strong immediately following a color treatment, sodium, calcium relaxer, braids and weaving processes, which can cause a lot of special force and stress to the hair. Next Level will give your hair all the benefits of a normal conditioner in addition to stopping and troubleshooting problems before occurring by going in and repairing missing and broken bonds in the hair inner and outer shaft. Next Levelwill leave your hair feeling silky, healthy and strong... Taking Hair to Another Level!