GOODBYE YELLOW is Schwarzkopf Professional's first high pigment concentration shampoo. It gently cleans the hair thanks to its formulation without SLS / SLES sulphates and instantly deposits the pigments to counteract and neutralize the yellow reflections. The combination of blue and purple pigments and active washing agents neutralizes unwanted yellow highlights and wash hair in one easy step. The unique formulation at pH 4.5 allows maximum neutralization.The result: shiny and brilliant blond hair!