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Tbhq

What Tbhq is & what it does

TBHQ (tert-butylhydroquinone) is a synthetic phenolic antioxidant. In cosmetics it is used in small amounts to protect oils, fats, and other oxidation-prone ingredients from going rancid, helping to extend a product's shelf life and stability. It is the same antioxidant class widely used to stabilize fats in foods. It is not a UV filter and has no flagged concerns in this catalog at the levels typically used.

What is TBHQ?

TBHQ, or tert-butylhydroquinone, is a synthetic phenolic antioxidant used in small amounts in cosmetics and foods.

What does TBHQ do in a formula?

It protects oils, fats, and other oxidation-prone ingredients from going rancid, helping to keep a product stable and extend its shelf life.

Is TBHQ safe in cosmetics?

At the low levels typically used as an antioxidant preservative it is generally considered safe, and no specific risks are flagged for it in this catalog.

Sunscreens with Tbhq

We rate 4 sunscreens that contain it:

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