Yeah, I was going to bring that up earlier, but I wasn’t sure of the exact threshold. Anything over about 30 is overkill. Conversely, If you want to tan, keep the numbers very low. SPF 15 filters out or blocks 92% of UV(B) rays from the sun.
Yeah, I was going to bring that up earlier, but I wasn’t sure of the exact threshold. Anything over about 30 is overkill. Conversely, If you want to tan, keep the numbers very low. SPF 15 filters out or blocks 92% of UV(B) rays from the sun.