SELF magazine and Neutrogena are teaming up to spread the word about summer skin care. Choose from four e-card designs and send messages about sun safety to your friends and family. They're keeping a state-by-state tally of how many e-cards were sent -- more cards equals more donated money for skin cancer charities.

Stay in the shade when possible, but even when the day seems overcast, don't forget your sunscreen. Remember to wear sunglasses that block UV-A and UV-B rays as well. Wide-brimmed hats and clothing that protects your skin are also good options. Check out the gallery for more summer sun safety tips.

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I am a hair dye enthusiast -- I love to color my hair. While some do it to cover gray or because they've always dreamed of being a blond, brunette or red head, I do it because I love that it's a non-permanent way to considerably alter the way I look. Well that, and also due to the fact that my normal hair color is an extremely unappealing shade of mousy, ash-brown.

While I'm happy to shell out a fair-sized amount of cash to have my hair done professionally for special occasions, I can't afford to pay expensive salon prices every time I decide I need a change. I imagine this is the case for most of you fellow dye fans out there. I know that many hairdressers will try to persuade all of us that home hair-coloring kits will forever destroy our hair, but I also know of a few who will admit that many of the products currently on the market do a pretty decent job at a much lower price.

Having said that, if you do decide to try the DIY method, it is important to do a little research beforehand as the onus is on you to get it right. A botched at-home job will end up costing even more when you have to go to a professional to fix the splotchy, orange mess you've made of your former crowning glory. With this in mind, it's important to think about the four things listed here before you start the process.

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While "getting some sun" on a regular basis is very good for you (produces vitamin D inside the body), too much exposure to the sun's rays has been linked to cancer. Specifically, skin cancer (melanoma). Just how much is enough, then, when it comes to sun exposure?

I'm no fan of sunscreens due to all the chemicals used (and the atrocious smell). The solution is to limit your exposure, right? A new review of research shows that limiting sun exposure is better for the prevention of skin cancer than using sunscreen alone.

The next time you think about spending an entire day under those rays, you may want to re-think and only spend a partial day (or a few hours) outside underneath our golden friend.

[correction noted]

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