Chronologiste Overnight Youth Serum

Revitalize your hair while you sleep with the Kérastase Chronologiste Overnight Youth Serum. This powerful, age-corrective leave-in treatment is specifically designed to reverse visible signs of hair aging overnight. Infused with professional-grade ingredients, it restores vitality, strength, and youthfulness to your strands effortlessly.

Key Benefits for Aging Hair:

• Intense Restoration: Targets loss of density, shine, and smoothness at the source.
• Overnight Renewal: Works with your hair's natural nighttime cycle to replenish the hair fiber.
• No-Residue Formula: The ultra-light, "quick-break" texture melts instantly into the hair without leaving a greasy residue on your pillow.
• Luxury Fragrance: Infused with the iconic, sophisticated Chronologiste scent.
• Heat Protection:  Wake up with nourished hair and 446F of Heat Protectant Powerful Anti-Aging Ingredients:
• Pro-Xylane™: A breakthrough green-chemistry molecule that reinforces and densifies the hair fiber to combat thinning.
• Ochrophyta Algae: A rare, bio-sourced deep-sea algae known for its regenerative properties and ability to revitalize dull hair.

Clinical Results (After Just One Night):*

+92% Stronger Hair

+5.7% Thicker Hair Fiber

-66% Frizz Reduction

+32% More Shine

77% of users reported hair felt completely revitalized.**

Who is this Serum For?

This overnight hair serum is ideal for anyone experiencing:

Thinning hair or loss of thickness

Persistent frizz and dryness

Dullness and lack of natural shine

A general lack of volume and vitality

A Luxurious overnight age-corrective leave-in hair serum for aging hair.

How to Use: Apply 1–2 pumps to dry or damp hair before bed. Massage into lengths and ends. No rinsing required in the morning