CoNatural Hair Volume Shampoo, 260mlAmino Acids Amino Acids have been used to reduce the factors that cause poor hair follicle development or weaken the shaft of the hair, thus promoting hair density and growth. Keratin High quality Keratin has been added to the Hair Growth Shampoo which mimics the one found in natural hair Keratin. It smooths cells that overlap to form hair strands, which results in more manageable hair, less frizz and a glossy, healthy look. Keratin can also reduce