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Premium night serum Kérastase Overnight Youth Serum from the Chronologiste range. With Pro-Xylane™ and Ochrophyta Algae, it reverses the 5 signs of hair aging in just 1 night.
The Chronologiste Overnight Youth Serum by Kérastase is an innovative overnight treatment designed to reverse the visible signs of hair aging while you sleep.
This luxurious leave-in serum provides intensive care, directly targeting dryness, dullness, frizz, lack of volume, and loss of density.
Just one dose is enough to deliver powerful anti-aging ingredients deep into the hair, offering a complete transformation.
The serum's formula incorporates two powerful active ingredients of advanced biological technology: Pro-Xylane™, an innovative "green chemistry" molecule with proven anti-aging action, and Ochrophyta Algae.
This is the fastest-growing algae in the world, a true treasure of the deep waters that captures the regenerative power of the ocean to strengthen, thicken, and protect the hair from daily environmental aggressions.
The revolutionary quick-break texture of the serum is instantly absorbed by the lengths of the hair, leaving a lightweight, perfect finish with no trace of greasiness.
Laboratory tests after just one use prove its power: +5.7% increase in hair diameter, -66% less frizz, +32% more shine, and impressive strengthening by +92%.
At the same time, 77% of women state that their hair wakes up fully rejuvenated and full of vitality.
Step 1: Before going to bed, your hair can be either dry or damp.
Step 2: Take a dose of the Overnight Youth Serum in your hands.
Step 3: Gently spread the serum between your palms and distribute it evenly along the lengths and ends of your hair. There is no need to apply it directly to the scalp unless otherwise specified for specific needs.
Step 3: Gently spread the serum between your palms and distribute it evenly along the lengths and ends of your hair. There is no need to apply it directly to the scalp unless otherwise specified for specific needs.
Top Notes: Freesia, rose & marine notes
Heart Notes: Bergamot, iris & green notes
Base Notes: Musk accord, white flowers, patchouli
The fragrance of the Chronologiste range is a revitalizing and sensual scent that embodies a combination of modernism with retro-classic influences.
1. Do I need to rinse it out in the morning?
No. Its formula is designed to stay in the hair (leave-in) and is fully absorbed during the night without leaving any residue.
2. Can I use it on both wet and dry hair?
Yes. It can be applied to dry hair or towel-dried hair as the last step of your nighttime routine.
3. Will it make my pillow greasy or sticky?
No. Its quick-break texture is absorbed immediately, leaving no residue on fabrics or the hair surface.
4. What is the fragrance of this serum?
The Chronologiste range features an iconic Parisian Couture fragrance, a refreshing and sensual scent.
5. What are the benefits of this serum?
It reverses 5 signs of hair aging in 1 night and reveals hair that is fuller, healthier, and smoother.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.
