Schwarzkopf Goodbye Yellow Neutralizing Wash- | The shampoo claims to control underlying yellow tones. Its vegan formula, pH 4.5 and sulfate-free, it gently purifies and strengthens hair thanks to its integrated bonding technology. It works effectively on cool-toned blonde hair, counteracting and neutralizing underlying warm tones. With each application, you'll prevent color loss, prolonging its shine and enhancing its intensity. Translated by Google