Other forms: spfs
Spf is the number saying how much sun protection a cream gives. Check the spf.
It is not a scale of strength, since thirty blocks about ninety-seven per cent and fifty about ninety-eight. Spf only measures one kind of ray, which is why the label also mentions broad spectrum.
1nounspfThe number saying how much sun protection a cream gives.
“The spf was fifty and he burned anyway by applying it once.”
spf is a rating.
Practised in Beauty & Cosmetics