Matrix Total Results Dark Envy Shampoo is a neutralizing care for dark base hair that allows you to get a cool shade, depth of color and a shiny finish It is dedicated to all hair types, natural and colored, with a shade of 1 4 (from naturally brown to black). The unique formula has been enriched with the highest concentration of green pigments that guarantee the neutralization of unwanted red tones and allow you to maintain a cool effect. The shampoo gently cleanses hair, giving it a radiant gl