Nanogen thickening treatment shampoo for men triple pack this gives your hair instant thickening results it is made using growth factors and amino acids that are proven to improve hair density from the first wash in this multipack you will get 3 nanogen thickening treatment shampoo for men improves hair density and comfort this shampoo is fortified with patented nanogen growth factors that help to maintain healthy hair it is dermatologically tested and is proven to give users a more com