L'Oreal Metal Detox Professional Mask is a specialized hair treatment that uses patented Glicoamine and Ionene technology to protect color-treated, balayaged, or bleached hair from metal deposits that can affect color results and cause damage. Key features: • Contains patented Glicoamine + Ionene technology • Protects against metal deposits in hair • Specifically formulated for color-treated hair • Professional salon-quality formula • 250ml/8.5 fl.oz size • Anti-deposit protection after chemical treatments This professional mask is part of L'Oreal's Serie Expert line and is designed to be used after coloring, balayage, or bleaching treatments. The formula works to prevent metal particles from depositing in the hair fiber, which can interfere with color results and cause breakage. For best results, use after the Metal Detox shampoo treatment. The mask helps maintain color vibrancy while providing protection against future metal deposit buildup.