Sun Protection Factor Definition

noun
A number indicating the relative effectiveness of a sunblock in preventing certain ultraviolet rays from burning the skin: a higher number indicates a greater degree of protection.
Webster's New World

An indication of how long a sunscreen remains effective when applied to the skin.

If someone normally burns in 10 minutes with no sunscreen, then a sunscreen with sun protection factor 20 will provide protection for up to 20x10 = 200 minutes.
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Other Word Forms of Sun Protection Factor

Noun

Singular:
sun protection factor
Plural:
sun protection factors

Sun Protection Factor Sentence Examples

  • Applying sunscreen with a sun protection factor of 15 or more to all exposed areas of skin.

  • It contains a sun protection factor (SPF) of 15.

  • It contains a sun protection factor (SPF) of 20 and offers hours of coverage, water-resistance and a soft, glowing, lit-from-within finish.

  • In addition, the product line is touted as being water-resistant and sweat-proof, with a natural sun protection factor between 15 and 20.

  • Additionally, many foundations contain moisturizing ingredients, as well as a sunscreen with a good sun protection factor (SPF), which may eliminate certain steps in your beauty regimen.

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Words Starting With

SSUSUN

Words Ending With

RORTOR

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Starts With S & Ends With RStarts With SU & Ends With RStarts With S & Ends With OR

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