When hair is damaged, its molecular structure, composed of peptides, is compromised. Hair breaks, becomes too elastic, with no movement.
But most peptides are too big to be reinjected into the fiber, making damage almost irreversible.

For the first time, L’Oréal Advanced Research achieved to decompose peptides, to inject their components separately into the fiber².
Once inside, they reform & rebuild the molecular structure of the hair³.

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