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humectant · solvent

Pentylene Glycol

Generally safe·Moderate evidence

Pentylene glycol is a humectant and solvent that also offers mild antimicrobial support in formulas. It is generally well tolerated, with only rare reports of irritation, mostly in already sensitive or compromised skin.

Questions

Is pentylene glycol safe in cosmetics?
Pentylene glycol is a humectant and preservative booster used in skincare. Published safety reviews do not identify concerns at the concentrations used in topical products.
Does pentylene glycol cause irritation?
Pentylene glycol is not identified as an irritant in published cosmetic safety literature. At typical use levels in finished products, it is well-tolerated by most people.
What does pentylene glycol do in skincare?
It draws moisture into skin and also helps preserve products by inhibiting microbial growth. It's often combined with other humectants to enhance hydration.

Products with Pentylene Glycol

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.