1. Sunscreen products for over‐the‐counter human use;Labeling and Effectiveness Testing;Fed Reg,2011
2. Cosmetics — sun protection test methods — in vivo determination of the sun protection factor (SPF). ISO Method 24444 2010.
3. Cosmetics — sun protection test methods — in vivo determination of the sunscreen UVA protection factor. ISO Method 24442 2011.
4. In vitro Sun Protection Factor: Still a Challenge with No Final Answer
5. Determination of UVA protection of sunscreens in vitro. ISO Method. 24443 2012.