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Hydrating • Anti-frizz • Volumising
Overnight Youth Serum by Kérastase is an age-corrective night treatment infused with Pro-Xylane™ and Ochrophyta Algae, designed to reduce the visible signs of hair-ageing during nighttime. Containing Pro-Xylane™, a molecule known for its ultimate anti-aging action, and Ochrophyta Algae, the fastest growing algae in the world, a bio-sourced deep sea treasure that captures the regenerative power of the ocean. Its transformative quick-break texture melds instantly into the hair's lengths, leaving a perfect finish and enveloping the hair with the signature Chronologiste fragrance that turns routine care into a luxurious ritual.
Containing Pro-Xylane™, a molecule known for its ultimate anti-aging action, and Ochrophyta Algae, the fastest growing algae in the world, a bio-sourced deep sea treasure that captures the regenerative power of the ocean.
Parabens.
OVERNIGHT YOUTH SERUM BENEFITS AFTER 1 NIGHT
Increases fibre diameter by +5.7%*
-66% frizz*
+32% shine*
+92% more strength *
77% say their hair feels revitalised**
*Instrumental test after 1 use of Overnight Youth Serum.
**Consumer test after one application of full Chronologiste routine, Bain + Masque + Overnight serum.
Step 1: Apply on dry or damp hair before bedtime. Spread one pump into hands and distribute on lengths and ends.
Step 2: No need to rinse in the morning.
In case of direct contact with eyes, rinse immediately and thoroughly.
I-087332
Aqua / Water / Eau, Dimethicone, Glycerin, Isopropyl Myristate, Phenoxyethanol, Polyacrylamide, C13-14 Isoalkane, Laureth-7, Benzyl Salicylate, Hexyl Cinnamal, Benzyl Alcohol, Linalool, Tetramethyl Acetyloctahydronaphthalenes, Carvone, Citrus Aurantium Peel Oil, Limonene, Pogostemon Cablin Oil, Citronellol, Linalyl Acetate, Geraniol, Hydroxycitronellal, Macrocystis Pyrifera Extract / Kelp Extract, Hydroxypropyl Tetrahydropyrantriol, Benzaldehyde, Geranyl Acetate, Coumarin, Citric Acid, Trimethylbenzenepropanol, Rose Ketones, Propylene Glycol, Beta-Caryophyllene, Potassium Sorbate, Sodium Benzoate, Parfum / Fragrance. Occasionally, our brands refresh their products and the ingredients they use may change slightly. We aim to update our digital platforms with any changes as soon as we can, but you’re best to check the product packaging for the most up-to-date ingredient list. If you want to double check an ingredient, please contact our customer care team.
This item can be found in selected MECCA stores.
*Please note that stock levels in-store may not always reflect real-time inventory availability.
This item is available for Click & Collect (subject to stock availability).

