SPF may refer to: Contents. [hide]. 1 Science; 2 Arts; 3 Computing and
telecommunications; 4 Government and politics; 5 Macroeconomics; 6
Sun protection factor (SPF): A number on a scale for rating the degree of
protection provided by sunscreens. SPF stands for Sun Protection Factor. SPF
May 15, 2015 ... SPF (sun protection factor) is a relative measure of how long a sunscreen will
protect you from ultraviolet (UV) B rays. The chief cause of ...
Learn about SPF sunscreens, and what Sun Protection Factor means. ... SPF
measures sunscreen protection from UVB rays, the kind that cause sunburn and
Jun 13, 2016 ... So, if your skin starts to redden in 20 minutes without sun block, applying a
product with SPF 15 increases that time by a factor of 15, meaning ...
Jun 22, 2015 ... Here's an explanation of SPF ratings, the meaning behind all those ... A
sunscreen's SPF, or “sun protection factor,” refers to its ability to shield ...
Sender Policy Framework (SPF, which was formerly said to stand for sender
permitted from) is an anti-spam technology designed to authenticate sender ...
May 22, 2012 ... SPF — or Sun Protection Factor — is a measure of a sunscreen's ... of that
amount, which means the actual SPF they have on their body is ...
What does the abbreviation SPF stand for? Meaning: sun protection factor.
Dec 29, 2015 ... SPF is a measure of how much solar energy (UV radiation) is required to produce
sunburn on protected skin (i.e., in the presence of sunscreen) ...