Overnight Youth Serumby Kérastase is an age-corrective night treatment infused with Pro-Xylane™ and Ochrophyta Algae, designed to reverse the visible signs of aging during nighttime.
Targeting dryness, dullness, frizz, lack of volume and thickness, this leave-in serum delivers intensive overnight care. Just one pump to deliver powerful actives deep into the hair.
Powered by Pro-Xylane™, a green chemistry 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 envelopingthe hair with the signature Chronologiste fragrance that turns routine care into a luxurious ritual.
Apply to dry or damp hair before bedtime. Spread one pump into hands and distribute evenly through lengths and ends. No need to rinse.
Wake up to fuller, healthier, smoother hair.
BENEFITS
Nourishes Hair
Shiny Hair
Brings Volume
Luxurious Care
OVERNIGHT YOUTH SERUM BENEFITS AFTER 1 NIGHT
HAIR BENEFITS AFTER 1 NIGHT
INCREASES FIBER DIAMETER BY +5.7%*
-66% FRIZZ*
+32% SHINE*
+92% MORE STRENGTH *
77% SAY THEIR HAIR FEELS REVITALIZED**
*Instrumental test after 1 use of Overnight Youth Serum
**Consumer test after one application of full Chronologiste routine, bain+masque+Overnight serum
YOUTH REVITALIZING CARE.
Overnight Youth Serumby Kérastase is an age-corrective night treatment infused with Pro-Xylane™ and Ochrophyta Algae, designed to reverse the visible signs of aging during nighttime.
Targeting dryness, dullness, frizz, lack of volume and thickness, this leave-in serum delivers intensive overnight care. Just one pump to deliver powerful actives deep into the hair.
Powered by Pro-Xylane™, a green chemistry 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 envelopingthe hair with the signature Chronologiste fragrance that turns routine care into a luxurious ritual.
Apply to dry or damp hair before bedtime. Spread one pump into hands and distribute evenly through lengths and ends. No need to rinse.
Wake up to fuller, healthier, smoother hair.
BENEFITS
Nourishes Hair
Shiny Hair
Brings Volume
Luxurious Care
OVERNIGHT YOUTH SERUM BENEFITS AFTER 1 NIGHT
HAIR BENEFITS AFTER 1 NIGHT
INCREASES FIBER DIAMETER BY +5.7%*
-66% FRIZZ*
+32% SHINE*
+92% MORE STRENGTH *
77% SAY THEIR HAIR FEELS REVITALIZED**
*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: TNo need to rinse in the morning.
In case of direct contact with eyes, rinse immediately and thoroughly.
B/A PRODUCT CAROUSEL
BEFORE / AFTER
Illustration of the contemplated results obtained after applying:
Its transformative quick-break texture melds instantly into the hair's lengths, leaving a perfect finish and enveloping hair with the signature Chronologiste fragrance that turns routine care into a luxurious ritual.
Powered our Caviar of Longevity : the combination of of Pro-Xylane™, a green chemistry 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.
KEY INGREDIENTS
Pro-Xylane™
A powerful bio-derived sugar molecule that boosts hair thickness and density by stimulating cellular activity within the scalp and hair follicles.
Ochrophyta Algae
A bio-sourced marine extract rich in regenerative minerals, protecting hair against daily agressors and providing deep revitalization.
AQUA / WATER / EAU
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• C13-14 ISOALKANE
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• CARVONE
• CITRUS AURANTIUM PEEL OIL
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• POGOSTEMON CABLIN OIL
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• LINALYL ACETATE
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• MACROCYSTIS PYRIFERA EXTRACT / KELP EXTRACT
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• BENZALDEHYDE
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• TRIMETHYLBENZENEPROPANOL
• ROSE KETONES
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• BETA-CARYOPHYLLENE
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CAVIAR OF LONGEVITY
Its transformative quick-break texture melds instantly into the hair's lengths, leaving a perfect finish and enveloping hair with the signature Chronologiste fragrance that turns routine care into a luxurious ritual.
Powered our Caviar of Longevity : the combination of of Pro-Xylane™, a green chemistry 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.
Pro-Xylane™
A powerful bio-derived sugar molecule that boosts hair thickness and density by stimulating cellular activity within the scalp and hair follicles.
Ochrophyta Algae
A bio-sourced marine extract rich in regenerative minerals, protecting hair against daily agressors and providing deep revitalization.
AQUA / WATER / EAU
•
•
•
•
•
• C13-14 ISOALKANE
•
•
•
•
•
•
• CARVONE
• CITRUS AURANTIUM PEEL OIL
•
• POGOSTEMON CABLIN OIL
•
• LINALYL ACETATE
•
•
• MACROCYSTIS PYRIFERA EXTRACT / KELP EXTRACT
•
• BENZALDEHYDE
•
•
•
• TRIMETHYLBENZENEPROPANOL
• ROSE KETONES
•
• BETA-CARYOPHYLLENE
•
•
•
FRAGRANCE
TOP NOTES
FREESIA, ROSE & MARINE NOTES
HEART NOTES
BERGAMOT, ORRIS & GREEN NOTES
BOTTOM NOTES
MUSK ACCORD, WHITE FLOWERS & PATCHOULI
FRAGRANCE
PARIS COUTURE
The Chronologiste fragrance is a revitalizing & senusal fragrance, embodying a blend of modernity with retro-classic influence.
PARIS COUTURE
TOP NOTES
FREESIA, ROSE & MARINE NOTES
HEART NOTES
BERGAMOT, ORRIS & GREEN NOTES
BOTTOM NOTES
MUSK ACCORD, WHITE FLOWERS & PATCHOULI
The Chronologiste fragrance is a revitalizing & senusal fragrance, embodying a blend of modernity with retro-classic influence.
Eco Stamps SVG + Tag
Biodegradable Formula*
*as per OECD 301 or equivalent tests
Parabens Free
Artificial Colorant Free
20% Recycled Glass*
*except cap and pump
Recyclable Bottle
Made in a waterloop factory
PDP Section UGC Banner
THEY TRIED IT, THEY LOVED IT
Stronger Hair, Stronger Stories. See Chronologiste in action. #TimeIsOnYourSide
THEY TRIED IT, THEY LOVED IT
Stronger Hair, Stronger Stories. See Chronologiste in action. #TimeIsOnYourSide
PDP Section FAQs
FREQUENTLY ASKED QUESTIONS
Do I need to rinse it out in the morning?
No. The formula is designed to be leave-in and absorbs fully overnight with no residue.
Can I use it on both wet and dry hair?
Yes. It can be applied to dry or towel-dried hair as the final step of your evening routine.
Will it make my pillow greasy or sticky?
No. The quick-break texture absorbs instantly, leaving no residue on fabric or hair surface.
What is the scent of this serum?
Chronologiste owns a luxurious couture scent, a floral and sensual fragrance.
What are the benefits of this serum?
It reverses 5 signs of hair aging in 1 night and reveals fuller, healthier and smoother hair.
PDP Section Routine Carousel
COMPLETE YOUR ROUTINE
CHRONOLOGISTE
At Kérastase, we believe in the power of a complete haircare routine. Discover the products of this range and maximize your results!
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