Neutralizes unwanted brassy, yellow tones Maintains the integrity of lightened, highlighted blonde or gray hair Joico Color Endure Violet Shampoo 10.1 oz This Violet shampoo keeps icy blondes sassy not brassy. It banishes oxidized yellowing; maintains the integrity of gray hair; and even turns into an instant at-the-sink toner following a blonde color service. Neutralizes unwanted brassy, yellow tones Maintains the integrity of lightened, highlighted blonde or gray hair Massage into wet hair and allow the shampoo to absorb for 3-5 minutes. Rinse. Use 2-3 times per week.