The COOL BLONDES Neutralizing Range with 3D Bond Creation Technology helps to build new bonds. The COOL BLONDES Neutralizing Range purple toning formulas help to remove brassiness and neutralize yellow undertones. Benefits: Helps repair the internal structure of fragile, lightened and colored hair without overburdening Detangles porous hair, making it easier to comb Delivers cool pigments to maintain, refresh and enrich blonde tone directions Helps neutralize any blonde that has a tendency to turn warm Visually brightens highlighted or lightened blondes