Propylene Glycol

Propylene Glycol is a clear, odorless, versatile humectant and solvent widely used in skincare, haircare, and makeup formulations. It helps attract and retain moisture, enhances product spreadability, improves penetration of active ingredients, and stabilizes formulas.

Commonly used in serums, creams, lotions, toners, exfoliants, hair products, gels, and makeup formulations.

INCI Name: Propylene Glycol

Solubility

Soluble in water

Soluble in alcohol and many organic solvents

Usage Rate

1% – 20%

Serums & toners: 1–5%

Creams & lotions: 2–10%

Exfoliants (AHA/BHA): 3–10%

Haircare: 1–5%

As a solvent/penetration booster: 2–15%

pH Range

Compatible with pH 3 – 10

Function

Humectant

Solvent

Penetration enhancer

Skin-conditioning agent

Viscosity reducer

Preservative booster