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Decylene Glycol

What Decylene Glycol is & what it does

A multifunctional glycol that hydrates lightly while boosting preservation and adding emollient benefits. It improves both protection and skin feel.

What is Decylene Glycol and what does it do in sunscreen?

Decylene Glycol is a multifunctional glycol that hydrates the skin lightly while also boosting a formula's preservation and adding a soft, emollient feel. In a sunscreen it improves both the protective system and the overall skin feel. It is a supporting ingredient that helps a formula stay stable and pleasant rather than an active that blocks UV.

Is Decylene Glycol safe?

Yes. It is a well-tolerated glycol used at low levels in cosmetics and is not associated with significant irritation for most people. Like other multifunctional glycols, it works gently to condition skin and support preservation. Very sensitive skin can occasionally react to glycols, but it is generally considered mild.

Does Decylene Glycol clog pores?

Generally no. It is a lightweight glycol used in small amounts, not a heavy oil or wax, so it is considered low on the pore-clogging scale. It is more likely to improve skin feel than to cause congestion. If you are breaking out, the richer emollients elsewhere in a formula are the more likely cause.

Is Decylene Glycol a preservative?

Not exactly. Decylene Glycol is a multifunctional ingredient that helps boost a formula's preservation, but it is not a standalone preservative on its own. It supports the preserving system while also adding light hydration and emollient benefits. Sunscreens still rely on dedicated preservatives alongside it to keep the product safe.

What does Decylene Glycol do on an ingredient list?

On a label, Decylene Glycol signals a multitasking glycol that lightly hydrates, conditions, and helps support preservation. It often sits in the middle of an ingredient list, near other glycols and humectants. Seeing it is a sign the formula is using a gentle, multifunctional approach to skin feel and stability.

Sunscreens with Decylene Glycol

We rate 119 sunscreens that contain it, showing the top 10 by overall score:

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