What SPF Really Means

Sun damage is the #1 cause of premature aging; so sunscreen is one of the most important beauty products we have.  There is a lot of misunderstanding when it comes to SPF though.  So what does your SPF really mean?

SPF indicates the amount of protection you’ll get from UVB rays.  The actual SPF number is not very clear unless you’re a dermatologist or well educated on sun protection.  SPF 30 does not indicate you will be protected from 30% of UVB rays, nor does SPF 100 indicate you will be protected from 100% of UVB rays.  SPF 30 actually indicates you will be protected from 97% of UVB rays.  Most dermatologists will recommend SPF 30 for the average person.

There are varying opinions about when to reapply.  I’ve found that generally most dermatologists recommend reapplying every 2 hours when in direct sun. One of my favorite sunscreen brands is Cool which you can buy here. I also recommend Lancer Sheer Fluid Sun Shield.

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