Red undertones? I don’t know her... thanks to this color-depositing green shampoo. Matrix Total Results Dark Envy Green Toning shampoo uses green pigment to help to counteract, neutralize—and ultimately—get rid of the look of red undertones that pull through virgin or color-treated black to dark brown hair colors. With a signature scent of citrus, jasmine, and cedarwood, this must-have color-correcting shampoo for dark bases leaves your hair color glossy, cool, and vibrant... just like you.