Clarify your hair with the Color WOW Dream Filter Treatment. The breakthrough pre-shampoo spray treatment filters out minerals, typically found in city and well water, that destroy the intensity and beauty of your hair color. Traces of copper, iron, magnesium, calcium, chlorine and other found in tap water remain in your hair distorting color over time and making it appear yellow, brassy, greenish and dull.Dream Filter is ideal for those looking to prolong hair color between salon visits and prevent discolouration. Suitable for all hair types and colors, the potent formula lifts unwanted minerals away from the hair shaft to unveil optimal color. The clarifying treatment detoxifies the hair to brighten highlights, deepen dimension and make blonde, grey and white shades appear lighter and fresher. Re-balance your hair for picture-perfect color with the Dream Filter!