This Haskell Matiza+ Violeta Pre-Toning Shampoo is expertly formulated to prepare color-treated or lightened hair for toning treatments. It gently cleanses while neutralizing unwanted yellow and brassy tones, ensuring a cleaner base for subsequent color application or maintenance. Ideal for use before applying a toning mask or professional color service, this product helps achieve the desired cool, true-to-tone results. Its specific formulation targets unwanted warmth, making it a crucial first step in a successful color correction or toning routine.