I had my skin checked for sun damage and the specialist said that Spf 30 is the lowest you should use and protects around 99%. Anything higher like 45 or 55 etc will just give you like 99.99% or whatever..lol Most people use 30 Spf but forget that you have to reapply every couple of hours and more often if you sweat or swim.

Using spf does prevent aging, I heard somewhere that it can reverse sun damage if you wear it all the time (not sure if it's true though??)


Summerheaven: Neutrogena makes a sunblock that is non-shiny and oil free. It's what I'm using right now, pretty good for summer. It's called Ultra Sheer Dry-touch sunblock. It comes in Spf 30, 45 and 55.