Bain Extentioniste is a hair strengthening shampoo and a hair strengthening treatment that boosts strong hair growth starting at the roots. Bain Extentioniste is a shampoo to help hair grow not only in length but in strength with Creatine, an amino acid that reinforces the internal structure of the hair fiber. Weak hair and breakage-prone strands are strengthened with this hair strengthening treatment. The internal structure of hair is rebuilt and sealed to provide greater protection throughout its growth.  Creatine: an amino acid that penetrates deep to reinforce the internal structure of the hair fiber Ceramide: provide surface recovery, assuring beautiful hair fiber as they smooth and soften Taurine: an amino acid with a protective effect on the hair fiber to help ensure visibly healthy and stimulated scalp environment