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Sunscreen is a lotion, spray, gel or other topical product that absorbs or reflects some of the .... For example, "SPF 15" means that 1/15th of the burning radiation will reach the skin, a...

Sun protection factor (SPF) definition - MedicineNet - Health and ...


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 numbers ...

SPF | Define SPF at Dictionary.com


SPF definition, sun protection factor: the effectiveness of suntanning preparations in protecting the skin from the harmful effects of the sun's ultraviolet radiation, ...

Sun Protection Factor - How to Determine SPF - Dermatology


Feb 8, 2016 ... What does SPF stand for? Learn about how the Sun Protection Factor is measured, why a higher SPF isn't always better and the SPF and UPF ...

SPF - Definition by AcronymFinder


79 definitions of SPF. Meaning of SPF. What does SPF stand for? SPF abbreviation. Define SPF at AcronymFinder.com.

Urban Dictionary: SPF


Top Definition. SPF. Sold Pending Funds, This item has been sold to someone but it has not yet been exchanged for money. Item #1 - $100. Item #2 - $30

SPF - definition of SPF by The Free Dictionary


(Telecommunications) sender policy framework: a mechanism designed to prevent an e-mail address being duplicated and used as a false address from which ...

What is SPF? Webopedia Definition


As SMTP itself does not carry an authenticating mechanism, the SPF extension provides the authentication scheme by specifying which computers are ...

What Does "SPF" Really Mean? - SELF


May 21, 2012 ... First topic: What the heck does SPF mean? We see it ... SPF stands for Sun Protection Factor. ... Here's What 'On Fleek' Means Once and for All.

Sunburn Protection Factor (SPF) - U.S. Food and Drug Administration


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) ...

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What does SPF mean? Is higher sunscreen SPF better than lower ...


Apr 5, 2011 ... 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 ...

What Is SPF Sunscreen? - Sun Protection Factor explained by Badger


Learn about SPF sunscreens, and what Sun Protection Factor means.

What is Sender Policy Framework (SPF)? - Definition from WhatIs.com


Sender Policy Framework (SPF, which was formerly said to stand for sender permitted from) is an anti-spam technology designed to authenticate sender ...