Pre-shampoo metal detox treatment L'Oréal Professionnel Paris | Fills 1 million micro tears in 1 use.* | Concentrated with 2% glycofiller | | Pre-shampoo treatment: | 2x more hydration*. | 3x more softness*. | Less porous, stronger and intensely hydrated hair. Instantly deactivates hair. | Anti-porosity. | Effective on all hair types. *Instrumental test.