20% more Bonus size vs. Nexxus 13.5oz size. Nature. Science. Salon. ProteinFusion with keratin protein and black rice. For severely damaged hair. Repair Level: 5. At Nexxus, we use advanced scientific methods to identify the protein needs of hair and create highly effective custom formulas. Salon-crafted with our exclusive ProteinFusion blend with Keratin Protein and Black Rice, Keraphix Conditioner helps heal signs of damage, by smoothing out imperfections, while bringing strength with weightless effect. nexxus.com. To find out more about the Nexxus New York Salon go to nexxus.com.