Sarah K Professional Rio Neutralizing Mask

Sarah K Professional Rio Neutralizer hydrates and nourishes hair after straightening, promoting shine and softness. It helps stabilize pH balance and can be used at home or in salons. The product contains a bright blue pigment that tones brassy, yellow, and copper blond hair.

• The description claims that using the product may result in a protein smell for the first 2-3 washes.
• The description claims that the bright blue pigment in the product acts as a toner for brassy, yellow, and copper blond hair.