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.