coffret routine capillaire1 STRENGTHENS THE HAIR FIBER AND LIMITS HAIR LOSS This routine highlights exceptional keratin, sourced responsibly, which provides the fiber with the essential building blocks of its structure. Its high bioavailability allows it to act directly at the bulb level to improve hair anchoring. Combined with key amino acids, it helps hair better resist external aggressions. B vitamins complete this action by supporting the density and resilience of the hair