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Phenylene Bis-Diphenyltriazine

What Phenylene Bis-Diphenyltriazine is & what it does

Phenylene Bis-Diphenyltriazine, also known by the trade name TriAsorB, is a synthetic organic UV filter. It absorbs both UVA and UVB radiation, which makes it a broad-spectrum sunscreen active, and it is a large, photostable molecule designed to stay on the skin's surface. It is used in sun protection products in regions where it is approved.

What does Phenylene Bis-Diphenyltriazine do in sunscreen?

Phenylene Bis-Diphenyltriazine, sold as TriAsorB, is a synthetic organic UV filter. It absorbs both UVA and UVB rays, making it a broad-spectrum sunscreen active, and it is designed to be photostable and to stay on the skin's surface.

Is Phenylene Bis-Diphenyltriazine safe in sunscreen?

It is a UV filter approved for use in sunscreens in regions that have authorized it, and it is formulated to remain on the skin surface rather than be absorbed. Regulatory approval and concentration limits vary by region. For guidance about your own skin, it is best to follow the product label and any local regulations.

Is Phenylene Bis-Diphenyltriazine natural or synthetic?

It is synthetic. The filter is a man-made organic molecule produced through chemical synthesis specifically for sun protection.

Sunscreens with Phenylene Bis-Diphenyltriazine

We rate 18 sunscreens that contain it, showing the top 10 by overall score:

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