Buying puts is one of the safest ways an investor can get some protection while keeping skin in the game.

WSJ: Upside: As Stocks Surge, Is It Time for Some Protection?

New guidelines by the Food and Drug Administration aim to protect consumers from skin cancer through greater testing and clearer labeling on sun-protection products, including cosmetics with sunscreen.

WSJ: The Myths of Daily Sunscreen

It also was conducted in a lab and so cannot account for the protection a human body might offer, such as layers of skin, bone and tissue.

CNN: Cell phones can affect sperm quality, researcher says

The formula in 4 Hour Protection hasn't been studied to see how it performs after drying on skin for several hours, says Don Muir, executive vice president of MicroArmor Inc. of Willoughby, Ohio, which makes the product for Angel Dough.

WSJ: How Alcohol-Free Hand Sanitizers Hold Up