Pentylene glycol is a glycol used in cosmetics as a humectant and solvent that also enhances the antimicrobial efficacy of formulations, helping reduce reliance on traditional preservatives. It improves skin hydration and aids the delivery and stability of other ingredients.
| Reported effect | How often | Notes |
|---|---|---|
Mild transient stinging or irritation | Uncommon | More likely on compromised or sensitive skin, especially at higher concentrations. |
Skin dryness or tightness | Rare | Possible with high concentrations in leave-on products. |
Allergic contact dermatitis | Rare | Sensitization reported infrequently in patch-test studies. |
Redness or erythema | Uncommon | Typically mild and resolves after discontinuation. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.