A complex of peptides in a night serum to keep your skin looking youthful. Do you feel like fine lines are appearing on your face? Thanks to the high concentration of active ingredients, this activating serum rejuvenates your skin. Klairs Midnight Blue Youth Activating Drop visibly reduces and smoothes them. While you sleep, it revitalizes your skin and fights aging. In the morning, you'll wake up with... una fresh, hydrated and rejuvenated looking skin.