Sun Protection Factor (SPF) is a crucial term in dermatology and skincare, especially for pharmacists who often guide patients in choosing the right sunscreen
WHAT DOES SPF FACTOR MEAN?
SPF stands for Sun Protection Factor, measuring how well a sunscreen protects the skin from UVB rays, which cause sunburn and contribute to skin cancer. The SPF number indicates how much longer it takes for untanned skin to start reddening with sunscreen compared to without it. For example, if it takes...