Hair oxidation is related to the reduction of melanin production in the heart of the hair fiber. More fragile, gray, white, and blonde hair is typically more sensitive to external aggressions, becoming more porous. A gentle wash is necessary to effectively remove hair oxidation. Formulated for gray, white, and blonde hair, Neutralize shampoo gently cleanses and immediately eliminates yellow reflections, thanks to its formula composed of botanical extracts of violet, rosemary, lavender, and centaurea extract. Hair becomes radiant, luminous, and silky. Its vegan formula does not contain sulfates or silicones.