A Scientific Morning vs. Evening Routine: Circadian Rhythms of the Skin
In the landscape of modern dermatology and premium product formulation, the traditional division of skincare into “day” and “night” products has frequently been dismissed as a mere marketing contrivance. However, breakthroughs in chronobiology—the study of biological rhythms—reveal that this temporal division is rooted in deep cellular science. The skin is not a static shield; it…