14 tips to avoid sunburn

Unfortunately, you can't just slap on a little sunscreen and expect to be safe from sunburn. Here's what you need to know.

How does sunscreen work?

How does sunscreen work to keep us from getting sunburned and skin cancer? Here's a look inside the bottle.

Tips to make melasma less noticeable

More likely to affect women and those with darker skin tones, melasma affects more than 6 million US women. Here's how to make melasma less noticeable.

Untangling the source of ouch and itch

For years, scientists suspected pain and itch were the same thing, expressed at different intensities: Itch was just light pain, and pain was strong itch.