Ask the Doctors

Sunscreen Expiration and Effectiveness

Does sunscreen expire? is an SPF of 45 just as effective as SPF 60? I was told that after SPF, they are all about the same. Is that true?

To continue reading this article you must be registered.

Get Licensed Content to Harvard Health

If you are interested in licensing content from Harvard Health Publications, please contact us using our online form. Our licensing and business development professionals will help you leverage consumer health content from Harvard Medical School as a clear differentiator in helping achieve your business goals.

Contact Us

Customer Log In

Forgot your password? Click Here.