rev. kenna the mighty pea (kennapea) wrote in thequestionclub,
rev. kenna the mighty pea
kennapea
thequestionclub

please settle an arguement

if you use an SPF 30 and an SPF 15 together do you now have:
a) ~SPF 25
b) SPF 30
c) ~SPF 37
d) SPF 45


i have no idea, that's why i'm asking you people!
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