Elevate your hair care routine with salon-grade protection that helps you grow longer, stronger hair. The Kerastase Resistance Extentioniste Strengthening Conditioner 1 L is engineered to defend fragile strands from daily stress and breakage, while delivering smoothness, manageability, and lasting vitality.
What sets the Resistance Extentioniste Strengthening Conditioner apart is its targeted approach to reinforcing hair along the entire length, not just restoring surface softness. This is a premium, long-term solution designed to minimize breakage at the source, helping you maintain length while enjoying a luxurious, weightless feel. If you’re pursuing longer, healthier-looking hair, this conditioner works best when paired with the Extentioniste routine—creating a cohesive system that treats, protects, and strengthens from the roots to the tips.
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