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2. Sunscreen - Wikipedia

   en.wikipedia.org/wiki/Sunscreen

   The sun protection factor (SPF rating, introduced in 1974) is a measure of the fraction of sunburn-producing UV rays that reach the skin. For example, "SPF 15" means that 1 ⁄ 15 of the burning radiation will reach the skin, assuming sunscreen is applied evenly at a thick dosage of 2 milligrams per square centimeter [65] (mg/cm 2). It is ...

3. GoodGuide Sunscreen Ratings: the Winners and Losers - AOL

   www.aol.com/news/2011-05-14-goodguide-sunscreen...

   Kinesys SPF 30 Sun Protection Stick outscored all the other sunscreens as rated by GoodGuide, while Playtex's BioSun Maximum Sunblock Lotion, SPF 45 was rated worst. ... ethical products based on ...

4. Sun protective clothing - Wikipedia

   en.wikipedia.org/wiki/Sun_protective_clothing

   UPF (ultraviolet protection factor) represents the ratio of sunburn-causing UV without and with the protection of the fabric, similar to SPF (sun protection factor) ratings for sunscreen. While standard summer fabrics have UPF ~6, sun protective clothing typically has UPF ~30, which means that only 1 out of ~30 units of UV will pass through (~3%).

5. Bemotrizinol - Wikipedia

   en.wikipedia.org/wiki/Bemotrizinol

   Bemotrizinol (INN [1] [2] /USAN, [3] INCI bis-ethylhexyloxyphenol methoxyphenyl triazine) is an oil-soluble organic compound that is added to sunscreens to absorb UV rays. It is marketed as Parsol Shield, Tinosorb S, and Escalol S. Bemotrizinol is a broad-spectrum UV absorber, absorbing UVB as well as UVA rays.

6. The Sunscreen Glossary: A Comprehensive Guide to ... - AOL

   www.aol.com/news/sunscreen-glossary...

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7. A No-Nonsense Guide to the Best Face Sunscreen - AOL

   www.aol.com/lifestyle/no-nonsense-guide-best...

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