The Daily Aus The sunscreen controversy, explained
Jun 17, 2025
Recent research has thrown sunscreen effectiveness into the spotlight, revealing that some brands might not deliver on their SPF claims. A notable controversy centers on Ultraviolet's SPF 50 Plus, which faces scrutiny over its rating. Discussions highlight the need for consumer awareness and reliable testing amid rising concerns. The hosts emphasize the importance of transparency in evaluating sunscreen products to uphold trust and safety in skin protection.
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What SPF Means
- SPF stands for Sun Protection Factor and shows how long your skin is protected against sunburn compared to unprotected skin.
- SPF 30 blocks about 97% of UVB rays, and SPF 50 blocks about 98%, but no sunscreen blocks 100%.
SPF Lab vs Real Life
- SPF ratings come from perfect lab conditions, but real-life application often differs due to thin layers or lack of reapplication.
- Applying sunscreen correctly and reapplying often is critical for effective sun protection.
Few Sunscreens Meet SPF Claims
- An independent lab tested 20 sunscreens claiming SPF 50+, and only 4 matched their SPF claims.
- Many commonly used brands had products not meeting their claimed SPF protection.