Kérastase Discipline Oleo-Relax Hair Mask delivers intensive smoothing and frizz control for unruly, curly, or coarse hair. This 200ml treatment harnesses the power of marula oil and smoothing polymers to tame flyaways, enhance shine, and restore manageability. Apply to damp hair, leave for 5–10 minutes, then rinse thoroughly. Ideal for daily use or as a weekly deep-conditioning ritual. Leaves hair soft, silky, and effortlessly smooth.