American Crew Fortifying Shampoo 3.3 Ounce 100 Milliliters American Crew Fortifying Shampoo can be used on a daily basis for men with thinning hair. This daily shampoo is formulated with a special blend of ingredients to help increase hair volume, effectively remove buildup on the scalp, condition and freshen up the scalp and leave your hair clean and soft. This fortifying shampoo for men helps strengthen your hair from root to end.