Ingredient dictionary

Diethylhexyl Butamido Triazone

Also listed as: Iscotrizinol

An oil-soluble organic sunscreen filter that absorbs ultraviolet light, mainly UVB rays, to help shield skin. It is on the label of 10 products in our library. Checked against our library November 6, 2026.

The catch: it belongs to the chemical UV filter family, which some people with very sensitive skin prefer to avoid, as do those who want a mineral-only sunscreen.

Chemical UV filters. Organic sunscreen filters such as avobenzone, octocrylene and homosalate.

What Diethylhexyl Butamido Triazone does

Absorbs UVB rays from sunlight
Adds some short-wave UVA coverage
Holds up well in sunlight
Dissolves in oils and emollients

Diethylhexyl Butamido Triazone is a synthetic molecule. Chemists build it around a triazine ring, a shape that is good at soaking up ultraviolet light. Its oily side chains help it dissolve in the oil phase, so it blends into the formula instead of sitting on top.

Formulators use it because it is strong in the UVB range and holds up well in sunlight, so protection lasts under sun exposure. It is often paired with other filters to cover a wider part of the UV spectrum. On skin it tends to feel light and fairly smooth, with little or no white cast, though texture depends on the full formula.

Good for

Suits people comfortable with chemical sunscreens who want strong UVB coverage, and formulators building oil-based sun care.

Frequently asked questions

Is Diethylhexyl Butamido Triazone safe?

It is widely used in sunscreens and is generally well tolerated. Any filter can irritate very sensitive skin, so patch test new products first. A dermatologist can advise if you have concerns.

Does Diethylhexyl Butamido Triazone protect against UVA rays?

Mostly it covers UVB rays and some shorter UVA rays. Full UVA coverage usually needs other filters too. Check the ingredient list for other UVA filters.