Revive highlighted, colored, and natural brunette hair with the nourishing and color-enhancing effects of Christophe Robin's Shade Variation Care Mask. Sweet Almond and Buriti oil combine with an acidic pH of 4.5 help to minimize porosity, correct natural oxidation, and evenly distribute color. Iridescent pigments and Licorice Extract restore a natural, cool brown color while imparting shine, clarity, and contrast.