Wellness and Lifestyle – December 30, 2025
How Circadian Misalignment Causes Skin Reactivity and Dullness
Your body's master clock coordinates skin's 24-hour rhythm: daytime defence mode boosts antioxidants and barrier strength against stressors, while nighttime repair mode peaks collagen synthesis, DNA repair, and lipid replenishment for recovery. Disruption from inconsistent sleep, late light exposure, or irregular meals raises inflammation, weakens barrier function, destabilises oil/cortisol balance, and slows healing—showing as redness, dehydration, jawline congestion, pigmentation reactivity, and dullness despite good skincare.