This rich purple mask penetrates the fiber to remove unwanted yellow undertones and brassiness, while deeply hydrating and restoring hair strands. This non-staining hair mask neutralize brassy tones and keep your blonde hair luminous and cool. Restores shine and softness. Illuminate cool blondes for even brightness. Ultra-nourishing formula. Neutralizes brassy & yellow undertones. Suitable for lightened, highlighted cool blonde hair types.