Redken's Color Extend Blondage Express Anti-Brass Mask is an ultra-pigmented purple hair mask and deep conditioner that ensures brighter, cooler blonde haircolor in just 5 minutes. Featuring a powerful purple toning formula, this hair mask helps to color correct and neutralise unwanted yellow undertones in even the brassiest blonde hair color.Ultra-pigmented purple hair mask for blondesNeutralises brassiness on blonde hair for a cool, bright end resultOffers 5-minute instant transformationCorrects unwanted yellow on blonde hair