Muar Professional Anti-Yellow Mask is designed to maintain a cool color and radiant blond finish for lightened, bleached, and natural blonde hair. Specially crafted for blondes, it instantly neutralizes unwanted brassy tones and tones the hair to a sleek, cool blonde shade without compromising hair integrity. Featuring high-performance blue pigments to counteract yellowness, combined with hydrolyzed keratin for a luminous shine, plus vitamin E, helianthus (sunflower) oil, and panthenol to deliver essential hydration, deep nourishment, and protection. Suitable for all hair types. Directions for Use: After shampooing, apply evenly to damp hair lengths and ends. Leave on for 3 to 5 minutes depending on the desired neutralization intensity, then rinse thoroughly.