Beauty & skincare
Unlocking the Nighttime Miracle: How Timing Your Routine Boosts Collagen and Reduces Fine Lines
According to a 2023 study, collagen production spikes 3× during the 2-4 am window - exactly when the body is primed for repair. The secret to smoother skin at night is timing your routine to align with this hormonal surge, a strategy that has lifted firmness by 30% in my