SPF 50+: Understanding the Number on Your Sunscreen

SPF is a measure used to describe a sunscreen’s protection against UVB-related sunburn under standardized testing. SPF 50 is a high protection level, but no sunscreen blocks all UV radiation.nnApplication matters. Use sunscreen generously and evenly on exposed skin, follow the product label and reapply when needed based on your activities. Hats, clothing and shade can complement sunscreen use.nnGUSSI SPF 50+ Sunscreen is presented as a daily sun-protection product with UVA and UVB protection on its label. Always read the current packaging for directions and claims.