Bis-ethylhexyloxyphenol methoxyphenyltriazine (also known as Tinosorb S or Bemotrizinol) is a synthetic UV filter that provides broad spectrum sun protection due to its ability to absorb UVA and UVB rays. Like other UV filters, it doubles as an anti-aging ingredient in that it helps ward off visible signs of accelerated skin aging triggered by sun exposure.
Bis-ethylhexyloxyphenol methoxyphenyl triazine is known to be highly effective at low concentrations, which is one of the reasons why it is a popular choice when high SPF levels are desired. It is also praised for having excellent photostability and is known to help improve the stability of other sunscreen agents.
Bis-ethylhexyloxyphenol methoxyphenyltriazine available in many countries around the world, although not currently in the US (this does not mean that this ingredient is not safe, but rather that it is under review in this region). Permissible concentrations vary from country to country, with 10% being the maximum amount allowed globally.
Bis-ethylhexyloxyphenol methoxyphenyltriazine comes as a pale yellow powder in its raw material form and is oil soluble. https://www.paulaschoice.com/ingredient-dictionary/ingredient-bis-ethylhexyloxyphenol-methoxyphenyl-triazine.html?q=Bis-Ethylhexyloxyphenol%20Methoxyphenyl%20Triazine&fdid=ingredients