Iridescent purple shampoo with hyaluronic acid for lightened or highlighted hair to neutralise brassiness and unwanted yellow tones in blonde or grey hair for a nourished cool blonde. An intense brass-reducing formula giving instant blonde illumination Instantly neutralises brass & yellow undertones Durable anti-brassiness action Restores shines & softness Boosts colour luminosity Learn more about the benefits of purple shampoo in our guide, 'What Does Purple Shampoo Do'.