“Okay, okay…So what does the SPF number mean?” (ex: SPF 30)
Basically, that means your skin would be able to tolerate
sunlight 30 times longer than it would without sunblock.
“I still don’t get it…”
Say it takes 5 minutes for your skin to turn red (burn).
Then with SPF 30, it would take 150 minutes (5 min X 30 = 150)
Wath more videos here: melanoma
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