Chronologiste Serum Overnight Youth Serum

The Kérastase Chronologiste Serum Overnight Youth Serum is an age-corrective leave-in treatment designed to visibly rejuvenate hair weakened by dryness, dullness, frizz and loss of volume or thickness. Powered by Pro-Xylane™ and Ochrophyta Algae, its advanced formula delivers intensive overnight care to help restore the hair’s youthful-looking vitality while you sleep. Just one pump releases powerful actives deep into the lengths, working through the night to leave hair feeling smoother, more supple and revitalised. Its transformative quick-break texture melts effortlessly into the hair without weighing it down, leaving a polished, touchably soft finish by morning. Infused with the signature Chronologiste fragrance, this sophisticated night treatment turns your bedtime routine into a luxurious sensorial ritual.