sun protection factor
noun
: 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 used
—abbreviation SPF
Examples of sun protection factor in a Sentence
Recent Examples on the Web
Sunscreen: To protect your skin from sun damage, finish your morning skin care routine by applying a broad-spectrum sunscreen with a sun protection factor (SPF) of 30 or higher.
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Lindsay Curtis, Verywell Health, 13 Sep. 2024
Cream foundation and the importance of SPF (sun protection factor).
—Renan Botelho, WWD, 7 Aug. 2024
Apply a broad-spectrum, water-resistant sunscreen with a sun protection factor (SPF) of 30 or higher to protect against overexposure to ultraviolet A (UVA) and ultraviolet B (UVB) rays.
—Anna Giorgi, Verywell Health, 24 July 2024
Since homemade sunscreens are not subject to the same rigorous testing and regulation as commercial products, their sun protection factor (SPF) and broad-spectrum protection cannot be verified.
—Alyssa Hui, Verywell Health, 22 July 2024
See all Example Sentences for sun protection factor 
Lindsay Curtis, Verywell Health, 13 Sep. 2024
Cream foundation and the importance of SPF (sun protection factor).
—Renan Botelho, WWD, 7 Aug. 2024
Apply a broad-spectrum, water-resistant sunscreen with a sun protection factor (SPF) of 30 or higher to protect against overexposure to ultraviolet A (UVA) and ultraviolet B (UVB) rays.
—Anna Giorgi, Verywell Health, 24 July 2024
Since homemade sunscreens are not subject to the same rigorous testing and regulation as commercial products, their sun protection factor (SPF) and broad-spectrum protection cannot be verified.
—Alyssa Hui, Verywell Health, 22 July 2024
See all Example Sentences for sun protection factor
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sun protection factor.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near sun protection factor
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“Sun protection factor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sun%20protection%20factor. Accessed 5 Nov. 2024.
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