Just like your skin, your hair ages too, and deserves more care. To revive it, your Caviar of Longevity is served. ✨ Meet the Chronologiste Longevity Potion, a high-performance scalp treatment. Powered by 3% Pro-Xylane™ and Ochrophyta Algae, it acts 10x deeper across 3 billion cells* to target the invisible root causes of hair aging. #Kerastase #Chronologiste #HairLongevity #ScalpCare #HairCare *Test ex-vivo