The SPF (Sun Protection Factor) is supposed to be an indicator number. It was designed to represent how long we can stay out in the sun safely with a particular product. Too much confidence is given to these numbers that may result in severe sunburn. Apply the product from 30-60 minutes before proceeding outdoors. Reapply no matter what the label says, every 4 hours. Set the alarm on your cell to warm you and your party to reapply.
SPF only applies to UV-B and not to UV-A. Yes, UV-A is not as strong as UV-B but causes aging of the skin and leads to skin cancer. Look for the ultimate protection from both types of ultraviolet rays (UV) in your suntan lotion.
The FDA is still trying to determine ratings for the best sunscreens available on the market. They have been deciding for decades on what to recommend on this category of protective chemicals for our skin.
Many of the best sunscreens have been available only from Europe. They were safer and better than those produced in the United States.
Now, we have the information we need to protect our skin. Not from the FDA, but from non-governmental independent Environmental Working Group (EWG). EWG will give you all information you need to pick the best products. You have to love this non-profit organization.
EWG has published on their site, the best sunscreens of 2013. Renovating Your Mind is please to give you this updated information at:
FDA always has too much on its plate. The government keeps cutting their budget but increasing their responsibilities. Ironic that government sounds just like corporate America.