Beaua Salon L ink Extra Shampoo provides a high quality salon grade amount of amino acid and silk proteins that cleanses your hair effectively and leaves it with soft silky feeling along with brilliant shine. Amino Acids consists of natural proteins, which your hair requires to grow and thrive. The exceptional purity of silk protein is proven by the clarity of its excellent moisture binding properties, repair, and feel. In addition, the propertoes of this non animal protein is substantive to skin and hair and provides a protective barrier