L'ORÉAL PROFESSIONNEL Serie Expert Metal Detox Pre-Treatment

new 16.9oz What it is: Metal inside the fiber creates both a risk of breakage and negatively impacts results during color, balayage and lightening services. What it does: The Metal Detox Metal Neutralizer pre-treatment traps and neutralizes metals inside the hair fiber before color, balayage or lightening services to reduce breakage and create reliable color results.