Support longer, stronger hair with Kérastase Resistance Masque Extentioniste. This intensive mask targets slow-growing, damaged lengths with a bond-reinforcing formula enriched with Creatine, Ceramide, and Maleic Acid. It helps repair internal fiber damage, smooth the cuticle, and boost elasticity—leaving hair visibly healthier from root to ends.
Ideal for strengthening breakage-prone lengths while promoting growth and manageability.
