Protect Your Skin in the Summer Sun
Dermatologist offers tips for understanding sun screen labels and SPF numbers.
May 24, 2009— -- Summertime means increased sun exposure -- and choosing the right sunscreen can be difficult. Since 2007, the FDA has been reviewing sunscreen claims and preparing to implement new regulations for the language used on sunscreen labels, which may happen later this year.
New York-based dermatologist Dr. Doris Day explained what to look for when choosing a sunscreen and how to make sense of the labels.
What wording found on sunscreens will be removed after the FDA implements new regulations?
What will new sunscreen labels say?
The FDA has recognized two types of rays. UVA rays are the type that burn. That is what the SPF protects. The new information is regarding UVA rays being harmful in terms of skin cancer. We used to say UVA rays were dangerous in terms of aging the skin. We know now that UVA rays go through glass. UVB [rays] are blocked by glass. UVA rays you can get in your car or in your house. The highest SPF number on the new label will be 50-plus. The FDA does not want to discourage people from creating stronger and better sunscreens, but they won't claim it is higher than 50. There will also be an independent rating system for UVA protection.
What is necessary when choosing sunscreen?
Label should say UVA and UVB protection.
Look for one of the following ingredients to be in the label: Helioplex, Avotriplex and Mexoryl. These provide a slightly broader spectrum and last a little longer. The Skin Cancer Foundation offers a seal of approval. Those products are listed on skincancer.org, come at all price points and most are very affordable. The American Academy of Dermatology has a seal of recomendation as well.
What do the SPF numbers mean? Is SPF 50 better than SPF 15?
Nothing matters over [SPF] 15. The claim that the higher the SPF the higher protection is not exactly true. The lab setting isn't as accurate [because] the amount of sunscreen they use is never what people actually use. ... If you are using an SPF 30, you are lucky if you get the protection of a 10. The percentage of protection between a 15, 30 or 50 is so small that it doesn't even matter.
