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Hexanediol

What Hexanediol is & what it does

Hexanediol is a small synthetic diol (typically 1,2-hexanediol), a clear liquid used as a solvent and humectant. Its main role is to boost a formula's preservative system and improve product feel, since it helps inhibit microbial growth while adding light moisturizing slip. It is widely used in modern, low-irritation preservative blends. It is not a UV filter and carries no flagged concerns in this catalog.

What is Hexanediol?

Hexanediol is a small synthetic diol, typically 1,2-hexanediol, used as a clear liquid solvent and humectant in cosmetics.

What does Hexanediol do in skincare?

Its main role is to boost a product's preservative system while adding light moisturizing slip, since it helps inhibit microbial growth and improves feel. It is common in modern, low-irritation preservative blends.

Is Hexanediol safe?

It is generally considered a low-concern, well-tolerated ingredient, and no specific risks are flagged for it in this catalog.

Sunscreens with Hexanediol

We rate 4 sunscreens that contain it:

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