Overnight Youth Serum by Kérastase is a leave-in night treatment designed to help revive hair showing signs of aging while you sleep. It works overnight to restore softness, strength, and vitality, leaving hair smoother, shinier, and more resilient by morning.
Infused with Pro-Xylane™, known for its advanced anti-aging benefits, and Ochrophyta Algae, a deep-sea ingredient prized for its regenerative properties, this lightweight serum helps address dryness, dullness, frizz, and loss of density without weighing hair down.
Why We Love It
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Deeply nourishes overnight without heaviness
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Enhances softness, shine, and body
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Helps strengthen and revitalize aging hair
Travel Size: 30 mL
