Discipline Masque Oléo-Relax from Kérastase is a mask that disciplines and softens voluminous and unruly hair. Nourishes hair thanks to its deep-penetrating mask-in-oil formula, leaving hair soft to the touch and with a lasting shine. Unruly and frizzy hair is repaired, protected and noticeably brighter. Hair retains its shape for 24 hours even in 80% humidity environments and this mask repairs and protects hair from heat tools up to 230 degrees.