Don’t forget to reapply sunscreen every two hours.
Your skin is the largest organ in your body—the one that keeps all your other organs inside, where they belong. But by virtue of constant exposure to the elements, your skin also requires a lot of maintenance. Stay in the shade during the hottest part of the day, drink plenty of water, and scan these ten infographics for some data, tips and tricks on keeping your skin as healthy as possible.
The Best and Worst Cities for Your Skin: Your climate has just as much effect on your skin as your genes.
Get Enough Vitamin D?: A useful guide for untangling the myths and preconceptions of sun exposure and vitamin D production.
What’s Your Skin Eating?: How many substances do you slather on your skin a day? And what’s in them?
Skin Care: A History: Cleopatra bathed in sour milk to exfoliate, which doesn’t sound that dissimilar to modern-day skin care practices.
Guide to Summer Sun: How to protect yourself from sun exposure. 
Tattoo Infographics: A tattoo infographic on tattoos.
Cosmetic Surgery in the U.S.: Eyelid surgeries were one of the most common cosmetic surgeries in 2010.
Important Facts about Natural Skin Care: Expensive creams are worth a lot less than drinking water and eating omega-3s.
The Skin Care Bad Experience: Find out the difference between an allergy and an irritation.
Skin Cancer Facts: A collection of information and tips on how to prevent skin cancer.
Image: Horia Varlan