Peeling means your tan was built on burned skin — and once it starts, you can't stop it entirely. Here's why it happens, what actually slows it down, and how to build a tan that doesn't flake off.

A parked car can reach 120°F or higher — well past the temperature at which SPF actives start to break down. Here's what heat does to sunscreen, how to tell if yours has gone bad, and how to store it properly.

Strap marks, sock lines, sunglass shadows. Here's how to fade tan lines you already have, blur them fast before an event, and prevent the next set from forming.

Your arms are golden but your legs are still pale. Here's the dermatological reason legs tan more slowly — and the exfoliation, hydration, and SPF strategy that finally evens things out.

Sweat and heavy sunscreen are a frustrating combination. Here's how to choose a sweat-friendly SPF for running, cycling, and outdoor workouts, and how to keep it from dripping into your eyes.