Description Kérastase Masque Vert Chroma Neutralisant Is A Mask With Green Pigments, Which Instantly Weakens Red & Orange Tones For A Darker And Cooler Brown Color. This Mask, With A Dark Emerald Color, Is So Rich In Pigments That It Requires The Use Of Gloves For A Perfect Fit During Its Application. Just As The Blond Needs Treatment With Purple Pigments To Weaken The Yellow Tones, So The Brown Needs Grooming With Green Pigments To Weaken The Red & Orange Tones. Properties • This Powerful Formula Offers Care And Softness, Giving Hair 89% More Hydration* And 92% Less Breakage* • Increases Brightness, Shine And Depth Of Color For A Darker & Cooler Brown • The Product Is Not Suitable For Use On Blonde Or Red Hair * Laboratory Test How To Apply • Use Once A Week Or As Often As Your Hairdresser Recommends • Wear Gloves • Apply To Washed And Wiped Hair • Massage The Lengths And Edges • Leave For A Maximum Of 5 Minutes, Depending On The Desired Level Of Weakening • Rinse Thoroughly