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£55.80
An advanced overnight hair serum that works while you sleep to restore softness, shine and strength. Kérastase Chronologiste Overnight Youth Serum targets the visible signs of hair ageing, leaving hair smoother, fuller and revitalised by morning.
Kérastase Chronologiste Overnight Youth Serum is an age-corrective, leave-in night treatment designed to regenerate the hair fibre while you rest. Inspired by skincare science, this luxurious serum addresses five key signs of hair ageing: dryness, dullness, frizz, and a loss of volume and thickness, delivering visible results after just one night.
At the heart of the formula is Pro-Xylane™, a green chemistry molecule known for its powerful anti-ageing properties, combined with Ochrophyta Algae, a bio-sourced marine ingredient prized for its regenerative strength. Together, these actives work deep within the hair fibre overnight, helping to improve strength, enhance shine and restore a healthier-looking appearance.
The lightweight, quick-break texture melts effortlessly into the lengths and ends without weighing the hair down, leaving no residue on the pillow. Hair is left feeling softer, smoother and more manageable, wrapped in the iconic Chronologiste fragrance for a truly indulgent night-time ritual.
Instrumental testing shows increased fibre diameter, reduced frizz, improved shine and significantly stronger hair after one use. Ideal for anyone noticing signs of ageing hair or simply wanting to wake up to visibly revitalised lengths, this serum is the perfect finishing step in the Chronologiste routine.
For best results, apply one pump to dry or towel-dried hair before bedtime, focusing on mid-lengths and ends. Leave in overnight and do not rinse in the morning.
If you want, I can also tighten this further for an eCommerce grid view, adapt it to McIntyres’ in-salon tone, or add a subtle retail upsell tie-in with the full Chronologiste routine.
