Metal Detox Pre-Treatment Spray. Excess copper inside the fiber can create both a risk of breakage and can negatively impact colour results during colour, balayage and lightening services. The Metal Detox pre-treatment helps to neutralise excess copper inside the fiber and protect it before colour, balayage or lightening services. The perfect preparation before any colour service. Because the formula penetrates inside the fiber, the colour result is even and hair is intensely shiny.Liquid texture spray. No rinse. No impact on service protocol. The level of metal in hair varies, depending on hair porosity and on the water quality where we live. This patented technology is concentrated with Glicoamine 10% a molecule small enough to penetrate INSIDE the fiber. For optimal results, follow with Metal Detox cleansing cream shampoo. The 3-step professional in-salon protocol for up to 87% less breakage risk*.