What It Is • A pre-color shampoo that removes unwanted buildup from hair, creating an optimal canvas pre-color service or any haircare service. What It Does • Removes unwanted build up or dirt to help create a 'clean canvas before painting' and can result in truer to tone results, and even saturation. • Using before a haircare service such as a treatment or mask can help the hair receive the full benefits being delivered from that formula.