Chronologiste Overnight Youth Serum hydration Prevents breakage and hair fall

Prevents breakage and hair fall caused by brushing and styling

Hair is prepped for long-lasting volume and body

20% more shine** and 2x more color protection

with no processing time

transforms frizz-prone fibre into silky

Chronologiste Overnight Youth Serum hydration Prevents breakage and hair fallOvernight Youth Serum by Krastase is a powerful age corrective leave in treatment designed to work while you sleep, reversing visible signs of hair aging by morning. Infused with Pro Xylane and Ochrophyta Algae, this advanced overnight serum delivers concentrated actives deep into the hair fiber to restore vitality, strength, and youthfulnesseffortlessly, with just one pump. Why you'll love it: As hair ages, it can lose density, shine, and smoothness.