Kérastase Chronologiste Overnight Youth Serum

This luxurious leave-in serum works overnight to target visible signs of hair ageing, helping improve strength, smooth frizz and restore shine.

Enriched with Pro-Xylane™ and Ochrophyta Algae, its lightweight texture melts into the lengths and ends, leaving hair feeling smoother and looking revitalised. Finished with the signature Chronologiste fragrance, it’s the perfect addition to your evening haircare ritual.

Key benefits

• Helps strengthen hair and improve the appearance of thickness.

• Reduces frizz for a smoother finish.

• Enhances shine and revitalises dull-looking hair.

• Lightweight overnight formula with no morning rinse required.

How to use

Before bed, spread one pump between your hands and apply evenly through the lengths and ends of dry or damp hair. Leave in overnight; no need to rinse in the morning.