Sep 13, 2026

Product

Kérastase Chronologiste Overnight Youth Serum 90 ml

Overnight Youth Serum by 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-inserum 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 instantlyinto 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 throughlengths and ends. No need to rinse. Wake up to fuller, healthier, smoother hair.