Spf full form: SPF stands for Sun

SPF stands for Sun Protection Factor, a measure of how well sunscreen protects against UVB rays. Learn how SPF is determined, what it means, and how to choose the right SPF for your skin. SPF tells you how long a particular product will protect you from harmful UVA rays, and the percentage of UVB rays that it is able to block. If you are still wondering what SPF measures are or are curious about SPF's full form, allow us to simplify it for you. SPF stands for Sun Protection Factor, indicating the laboratory measures of the effectiveness of a sunscreen against UV or ultraviolet rays and sun damage. Sender Policy Framework (SPF) is a way for a domain to list all the servers they send emails from. Think of it like a publicly available employee directory that helps someone to confirm if an employee works for an organization.