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Triethylene Glycol

What Triethylene Glycol is & what it does

Triethylene Glycol is a small, water-soluble glycol from the polyethylene glycol family. In cosmetic formulas it is used as a humectant and solvent, helping to dissolve other ingredients and to draw and hold moisture. Its low molecular weight and good solubility make it useful in clear and lightweight formulations.

What does Triethylene Glycol do in skincare?

Triethylene Glycol is a small glycol used as a humectant and solvent. It helps dissolve other ingredients and can draw and hold moisture, supporting a stable, well-blended formula. Its low molecular weight makes it useful in clear and lightweight products.

Is Triethylene Glycol safe?

In cosmetics, Triethylene Glycol is used as a functional ingredient at modest levels and is generally considered acceptable for these uses. It should not be confused with the toxic alcohol ethylene glycol used as antifreeze, which is a different substance. If you have specific concerns, a dermatologist can offer personalized guidance.

Is Triethylene Glycol natural or synthetic?

Triethylene Glycol is a synthetic ingredient produced industrially rather than extracted from plants. It belongs to the glycol family and is made through controlled chemical processes. The finished material is consistent and well defined.

Sunscreens with Triethylene Glycol

We rate 44 sunscreens that contain it, showing the top 10 by overall score:

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