American Crew Precision Blend Shampoo 250ml The innovative formula in this American Crew Precision Blend Shampoo is designed specifically for men, containing a variety of nutrient rich ingredients such as rosemary leaf extract and wheat amino acids that work to cleanse and condition hair. Protecting colour from fading and damaging UV rays, this shampoo will leave hair shiny and tangle resistant. Containing polyphenols and Benzophenone-4, the ingredients in this shampoo combine together to strengthen, protect and deeply cleanse the hair. With powerful moisture binding properties, the Precision Blend Shampoo works to rejuvenate the hair, giving you vibrant, stronger hair that glows with health.