Kérastase
Chronologiste Overnight Youth Serum for Dry, Thin, Aging Hair
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$50.00or 4 payments of $12.50 with 
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About the Product
Item 2947372
What it is: A leave-in overnight serum designed to target the five signs of hair aging—thin, frizzy, flat, dry, and dull hair—in one night.
Hair Texture: Straight, Wavy, Curly, and Coily
Hair Type: Fine, Medium, and Thick
Hair Concerns:
- Thinning
- Dryness
- Damage, Split Ends, and Breakage
Key Benefits:
- Intensely hydrates and smooths, reviving dry and dull hair overnight
- Increases the look of hair-fiber diameter for boosted thickness and body
- Provides 450°F heat protection and aids detangling for seamless styling
Highlighted Ingredients:
- Pro-Xylane: Known for its anti-aging properties to strengthen and protect hair.
- Ochrophyta Algae: Known for its regenerative and revitalizing properties.
Ingredient Callouts: Free of mineral oil and Sulfates SLS & SLES.
What Else You Need to Know: Wake up to visibly fuller, smoother, and healthier hair with the Chronologiste Overnight Youth Serum. This luxurious leave-in formula targets the five signs of hair aging. It intensely hydrates, smooths, and builds body from root to tip while providing 450°F heat protection.
Fragrance Description: Top notes: bergamot, orris, green notes; Middle notes: freesia, rose, marine notes; Base notes: musk accord, white flowers, patchouli orpur from Indonesia
Clinical Results: In an instrumental test after 1 use of the Overnight Youth Serum:
- 92% more strength
- Increases hair-fiber diameter by 5.7%
-66% less frizz
- 32% more shine
-Apply one pump to dry or damp hair before bedtime.
-Spread evenly through lengths and ends.
-No need to rinse in the morning—wake up to revitalized, healthier-looking hair.
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As the #1 professional hair care brand worldwide, Kérastase has pioneered luxury care since 1964. Inspired by our intimate knowledge of the modern woman, Kérastase brings together innovative, bespoke products with a professional diagnostic approach to treat each woman’s individual hair needs.