Live Urban Metallics is a range of permanent hair dyes designed for bleached blonde to dark brown hair. Containing built-in Metallic Shine Booster for vibrant metallic tones, it delivers an impressive shine Live Urban Metallics Dusty Silver U72 is a permanent hair dye designed for bleached blonde to medium brown hair, that creates a vibrant metallic tone. It contains a built-in Metallic Shine Booster, infused with coconut oil for maximum colour depth, fade resistant and impressive shine.