Kerastase Resistance Masque Extentioniste / Strengthening Hair Mask for All Hair Types / Detangles, Seals Split Ends & Reinforces Length / 16.9oz .

Transform your hair with Kérastase Resistance Masque Extentioniste, a luxurious strengthening hair mask designed to fortify and restore weak, damaged strands. Infused with a powerful blend of creatine R and maleic acid, this deep-conditioning formula penetrates each strand to reinforce length, reduce breakage, and protect against future damage. Whether you’re growing your hair longer or maintaining healthy locks, this intensive masque is your go-to solution for stronger, more resilient hair.

Perfect for those with brittle, over-processed, or heat-damaged hair, this rich, creamy treatment works to seal split ends, smooth the hair fiber, and prevent further weakening. The lightweight yet nourishing formula leaves hair feeling soft, supple, and manageable without weighing it down. Experience the ultimate hydration and strength in just one use, as your hair becomes visibly healthier, shinier, and more resistant to daily stressors.

Ideal for all hair types, Kérastase Resistance Masque Extentioniste provides professional-grade care in the comfort of your home. Regular use of this mask, especially when paired with the full Extentioniste range, helps maximize hair length retention while improving overall texture and resilience. Elevate your haircare routine with this salon-quality formula and achieve your dream hair with every treatment.