L'Oréal Professionnel Serie Expert Blondifier Mask 250ml is a luxurious treatment designed to revitalize and illuminate blonde and highlighted hair. Enriched with Açai Berry Extract, rich in polyphenols, it provides antioxidant protection while smoothing and nourishing the hair fiber. Key ingredients include Cetearyl Alcohol, Behentrimonium Chloride, and Tocopherol, which work together to enhance shine and softness. This mask helps to replenish moisture, reduce breakage, and restore the multidimensional radiance of blonde tones. Ideal for use after shampooing, apply to towel-dried hair, leave on for 3–5 minutes, and rinse thoroughly for best results. ​