Propylene Glycol
PROPYLENE GLYCOL
Data confidence:High
Function
Humectant, Solvent
EWG Safety Score
4/10Moderate concern
About this ingredient
Propylene glycol is a humectant and solvent that attracts and retains moisture in the skin, derived from petroleum or vegetable sources. It enhances product texture, stability, and preservative efficacy while providing hydration and improving skin feel. Widely used across skincare, cosmetics, and sunscreen formulations for its hydrating and formulation-stabilizing properties.