Kerastase Kérastase Chronologiste Overnight Youth Serum - Age-Corrective Leave-In Serum for Hair Weakened by Signs of Aging, Anti-Frizz, Infused with Pro-Xylane™ & Ochrophyta Algae

About this item Intensive Night Treatment for Aging Hair: Age-corrective serum provides deep hydration and care while you sleep. Powerful Anti-Aging Ingredients: Infused with Pro-Xylane and Ochrophyta Algae for strength, anti-frizz, and smoothness. Proven Results in One Use: 66% less frizz, 32% more shine, and 92% stronger hair.* Luxurious Sensory Experience: Lightweight leave-in formula with a fragrance of bergamot, freesia, and patchouli. Ease of Use: Simply apply to dry or damp hair before bedtime—no rinsing required. Show more