F.A.S.T. Shampoo Sulfate Free 300mLThe shampoo works best when used with the F. A. S. T. Conditioner. Leaves your hair feeling clean smooth and manageable. The more you use it the better it works. The new formula of F. A. S. T shampoo and conditioner with no sulfates, parabens and DEA is just as effective as the original version and guaranteed! Does it really work? Yes! It really works. FAST works by feeding the hair with essential nutrients, amino acids and proteins not found in