Kérastase Blonde Fusio-Dose Concentré H.A Ultra-Violet Blonde 10 x 0.4oz is a professional-grade hair treatment designed to instantly neutralize unwanted yellow or brassy tones in blonde, highlighted, or gray hair. Infused with ultra-violet pigments and Hyaluronic Acid, this concentrated formula deeply nourishes, hydrates, and strengthens hair fibers from within — leaving your blonde hair radiant, soft, and brilliantly cool-toned.

Perfect for salon or at-home use, Kérastase Blonde Fusio-Dose Concentré H.A Ultra-Violet Blonde transforms dull, dry, or color-treated hair into a silky, vibrant blonde with enhanced shine and smoothness after just one application.