Kérastase Nutritive Oléo-Relax Softening Mask is a rich and creamy formula that detangles and smoothes while deeply nourishing the hair. Rich mask, it smoothes and disciplines voluminous, unruly hair. Repairs and protects styling tools with heat up to 230 degrees. It nourishes the hair thanks to its penetrating oil formula, leaving the hair soft to the touch with a lasting shine. Frizzy and unruly hair is repaired, protected and shiny !