Spf: Stands for Sun Protection

SPF stands for Sun Protection Factor, indicating the laboratory measures of the effectiveness of a sunscreen against UV or ultraviolet rays and sun damage. The higher the SPF, the greater the protection offered by the sunscreen against UV rays and their harmful effects. Learn the difference between SPF, DKIM, and DMARC, why they matter for email security, and how to set them up to protect your domain from spoofing and phishing. WHAT IS SPF AND WHAT DOES IT STAND FOR? SPF stands for Sun Protection Factor, a measure of how well a sunscreen protects the skin from ultraviolet (UV) radiation. On this National Sunscreen Day, discover everything you need to know about sunscreen use, SPF levels, and factors to consider when choosing the right sunscreen for yourself.