Recent Examples of sun protection factor from the Web
Lotions, foams and sprays that prevent sunburn are tested at 2 milligrams per square centimeter of skin to determine the sun protection factor, or SPF.
Choose sunscreen that is broad-spectrum (blocks UVB and UVA rays) with a sun protection factor (SPF) of at least 30.
Legitimate sunscreens are made in a wide range of sun protection factor values, also known as SPF values, and are over-the-counter drugs that come in many forms.
Typically, the first line of business is to decide on your level of SPF, or sun protection factor.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sun protection factor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Seen and Heard
What made you want to look up sun protection factor? Please tell us where you read or heard it (including the quote, if possible).