Goodbye Yellow is Schwarzkopf Professional's first highly-pigmented, anti-yellow wash. Free of SLS/SLES sulphates, this wash provides a gentle cleansing action & instant tonal deposit to counteract & neutralise underlying warm tones. The unique pigment combination of violet & blue direct dyes is formulated to neutralise unwanted yellow undertones, whilst gently cleansing the hair. The formulation is adjusted to a p H level of 4.5 for effective & long-lasting results. To use: Apply 1-2 times per week to the hair, leave for 5 minutes before rinsing. Please note: this salon sized product does not come with a pump.