- Using Metal Detox as part of your hair regime will improve colour vitality while reducing hair breakage. - The Serie Expert Metal Detox Shampoo is a concentrated cleansing shampoo for colour treated hair. - It works to detoxify hair from metals from the hair before applying colour such as balayage or lightening services, and protects against further deposits. - The generous, rich formula in this hair detoxifying shampoo transforms into a concentrated foam to gently cleanse hair and remove the accumulation of metal particles.