Introducing L’Oreal Professionnel Metal Detox Pre Shampoo , a powerful treatment that penetrates the heart of the hair to protect it from the damaging effects of metal. This pre-shampoo treatment with Glicofiller fills the hair’s micro-cracks in just one use for an anti-porosity action and strengthens porous hair to prevent excessive water absorption.

The result? Hair is intensely nourished and instantly stronger, shinier and visibly healthier. This scientifically advanced formula is designed to reduce hair breakage and maintain vibrant color, perfect for all hair types, including color-treated, damaged and natural hair.