Kérastase Chronologiste Overnight Youth Serum

Overnight leave-in serum for hair showing signs of ageing, designed to help restore a polished, smooth and revitalised look while you sleep. Ideal for those dealing with dryness, lack of shine, frizz or hair that appears less full, and looking for luxurious care without weighing the hair down.

Benefits

• Helps target 5 signs of ageing hair: dryness, dull appearance, frizz, lack of volume and reduced density
• Provides intensive overnight care without rinsing and works while you sleep
• After 1 use, helps reduce frizz by up to 66%*
• After 1 use, increases shine by up to 32%*
• After 1 use, helps reduce breakage by up to 92%*
• Features a leave-in texture that absorbs quickly through the lengths and leaves a smooth finish
• Leaves hair feeling soft, smooth and revitalised after just one night
• Makes detangling easier and simplifies morning styling
• Provides heat protection up to 450°F / approx. 232°C

*Official brand claims: instrumental test after 1 use of Overnight Youth Serum; the claim “77% of hair looks more revitalised” was based on a consumer test after using the complete Chronologiste routine (bain + masque + Overnight Youth Serum).

Key ingredients

• Pro-Xylane™ - helps strengthen the hair fibre structure and supports a fuller-looking appearance
• Ochrophyta Algae - a marine extract rich in restorative minerals that helps protect hair from daily external aggressors and supports revitalisation
• Glycerin - an ingredient that helps retain moisture in the hair

How to use

Apply in the evening to dry or towel-dried hair. Dispense one pump into your palms and apply through the lengths and ends. Leave on overnight and do not rinse in the morning. In case of contact with eyes, rinse immediately and thoroughly.