Diethylhexyl Butamido Triazone

Filters UV light.

In the Chemical UV filters group

What it is

A lab-made compound that absorbs ultraviolet (UV) light. One of the chemical UV filters.

Absorbs UV rays to help protect the skin and hair, and keeps the product from changing in light.

A short summary from the dictionary, not yet an in-depth article. About these entries

What it does in a formula

Filters UV lightOfficial EU function: UV filter

Shields the formula from lightOfficial EU function: UV absorber

Why some people watch for it

Chemical UV filters

Some people prefer mineral sunscreens and avoid organic filters, for example because of sensitive skin or eyes or a preference for mineral-only formulas.

A group is a fact about the ingredient, not a judgement of it.

What official sources say

Restricted in certain uses · Cosmetics, EU

Allowed as a UV filter in EU cosmetics up to 10% (Annex VI).

Regulation (EC) No 1223/2009, Annex VI: list of UV filters allowed in cosmetic products (CosIng), retrieved 2026-10-09

A label gives no amounts, so none of this says a product is unsafe.