This Kérastase Fusio-Dose Concentrate, enriched with Niacinamide, is specifically designed to address the needs of very dry hair, delivering intensive nourishment. It offers a transformative care experience, boosting the natural vitality and softness of severely dehydrated strands. Application integrates seamlessly into your routine, providing professional-level results at home. Ideal for deeply replenishing moisture and restoring resilience to hair lacking essential nutrients.