Alcohol doesn't just cause a rough morning — here's how it affects collagen, hydration, and inflammation in skin, and which effects actually reverse over time.
A sunburn healing in a week is inflammation doing its job. But a chronic version never fully switches off, connecting cortisol, sugar, poor sleep, and sun exposure to almost every visible sign of skin aging.
Your skin does its most important repair work while you sleep. Here's what actually happens overnight, and why skipping on sleep is one of the most expensive skincare mistakes you can make.