YOUTH REVITALIZING CARE
Chronologiste Longevity Potion by Kérastase is an age-defying scalp treatment infused with 3% Pro-Xylane™ and Ochrophyta Algae, designed to act on the invisible root causes of hair aging and extend your hair’s youth capital.
Targeting the biological aging of the scalp to combat loss of density, lack of vitality, and thinning, this advanced serum delivers intensive cellular care. Its high-performance formula acts 10 layers deep to reboost scalp activity and optimize the environment for 3 billion scalp cells.
Powered by 3% Pro-Xylane™, a green chemistry molecule celebrated for its ultimate anti-aging action and ability to densify the scalp matrix, and Ochrophyta Algae, a bio-sourced deep-sea treasure that captures the essential nutrients of the ocean, this serum supports a healthier, more vibrant scalp foundation.
| Key Ingredients | Benefits |
|---|---|
| 3% Pro-Xylane™ | Anti-aging, densifies scalp matrix |
| Ochrophyta Algae | Provides deep-sea nutrients, supports cellular vitality |
FAQ
How does the serum improve scalp density?
The serum works by targeting the biological aging of the scalp through its active ingredients, including 3% Pro-Xylane™, which helps densify the scalp matrix and supports cellular renewal, leading to improved density over time.
Is this serum suitable for all hair types?
Yes, the Chronologiste Longevity Potion is formulated for all hair types and specifically designed to address scalp aging, making it suitable for individuals experiencing thinning or loss of scalp vitality.
Can the serum be used daily?
Please contact customer service for usage frequency and application guidance.

Virginia Chapman –
After using the serum for four weeks, I noticed my scalp feels more energized and my hair appears fuller. The texture is light and absorbs quickly without greasiness. It’s become a regular part of my routine.
Max Sanderson –
I had been struggling with thinning at the crown. After consistent use, my scalp feels more active and my hair looks more voluminous. The algae ingredient seems to give a natural boost to the roots.
Jan Sharp –
This serum is effective and gentle. I apply it once a week after washing my hair. I’ve seen a noticeable improvement in scalp health and hair fullness over the past month.
Emma Skinner –
The formula is well-balanced and doesn’t leave a sticky residue. I use it before styling and feel the difference in how my hair holds its shape and volume.
Charles Scott –
I’ve tried several scalp treatments, but this one stands out. The Pro-Xylane and algae combination works well to restore vitality. My hair feels healthier and more resilient.