Color WOW Dream Filter Perfect Color Pre-Shampoo in Beauty: NA. Color WOW Dream Filter Perfect Color Pre-Shampoo in Beauty: NA. Color Wow Dream Filter Pre-Shampoo Mineral Remover's breakthrough technology is an industry first. This unique spray-on formula combines 2 molecular filters with 2 polymeric filter to gently, safely and quickly remove minerals and metals from the hair found in tap and well water all without the need for heat, use of a cap or any messy mixing.. Suitable for all hair types and shades, especially blonde, grey, ash white and light hair. Formulated to remove environmental elements that ruin color including traces of Calcium, Magnesium, Copper, Iron, Manganese, Aluminum, and Chlorine. Free of Fragrance, Gluten, Oil, Paraben, Phthalate and Sulfates. 6.7 fl oz. Apply Dream Filter to dry hair before shampooing. Spray evenly to saturate hair thoroughly, wait 1-3 minutes then shampoo. Use every 3-4 shampoos to keep color looking fresh and bright. Can be used more often or daily if needed. For best results, always use Color Wow Color Security Shampoo followed by Color Wow Color Security Conditioner. CWOW-WU29. CW548. COLOR WOW is at the heart and science of haircare. Their award-winning haircare technologies not only keep your color first-day fresh, but also make it easy to achieve your healthiest, glossiest WOW styles, even if your hair has been compromised by color treatments.