Nisim Fast Fortified Shampoo and Conditioner. F.A.S.T. Fortified Amino Scalp Therapy Shampoo and Conditioner, for Maximum Length in Minimum Time. F.A.S.T. grows your hair as fast as humanly possible. Works best when used with the F.A.S.T. Conditioner. Leaves your hair feeling clean smooth and manageable. Clinically proven to grow your hair up to 99 percent faster. (individual results may vary we have had many reports of even greater results). This 2 pack includes...1 12 oz F.A.S.T. Shampoo, 1 12 oz F.A.S.T. Conditioner. This kit is all you need to get started. Most people will notice an increased rate of hair growth after just one month. The longer you use the products the faster your hair will grow.