That half-used bottle from last summer isn't the bargain it seems. Once sunscreen sits open too long, its UV filters break down and separate, leaving skin with far less protection than the label promises, and sometimes a little irritation on top. Here's how to tell when it's time to let go, and how to dispose of it the right way.

Cleanse, buffer, apply, and stop. That's only half the routine. Here's why sunscreen the next morning is what makes the other half count.

Sunscreen is the most cost effective and reliable anti aging method available today. Discover a systematic sun care routine to maintain a healthy skin tone all year round.

Sunburn doesn't heal the moment the redness fades. What you do in the 72 hours after matters just as much, maybe more, for how your skin barrier bounces back.