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Sunscreen, also known as suncream, is a lotion, spray, gel or other topical product that absorbs ... For example, "SPF 15" means that 1/15th of the burning radiation reaches the skin throu...

Definition of Sun protection factor (SPF) - MedicineNet


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, ...

The Best Sun Protection Plan for Rain or Shine | One Medical Group


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 ...

What Does the SPF Number on Your Sunscreen Really Mean?


May 30, 2016 ... What does SPF stand for? Learn about how the sun protection factor is measured , why higher isn't always better, and the SPF and UPF of ...

sunscreen 101: what spf 50+ means - Sunsense


What is SPF? “The SPF [sun protection factor] of a sunscreen is derived by taking the time it takes you to burn with a sunscreen and dividing it by the time taken ...

What Does SPF Mean - Consumer Reports


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 ...

Sunburn Protection Factor (SPF) - FDA


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) ...

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 ...

What Does "SPF" Really Mean? | SELF


May 21, 2012 ... First topic: What the heck does SPF mean? We see it on sunscreens, moisturizers and even makeup. But does higher mean better sun ...

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Spf | Definition of Spf by Merriam-Webster


a number assigned to a sunscreen that is the factor by which the time required for unprotected skin to become sunburned is increased when the sunscreen is ...

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


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

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 ...