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Propylene Glycol

HumectantSolvent

Also known as: PG, 1,2-Propanediol, Propane-1,2-Diol

A synthetic humectant and penetration enhancer. Draws water to the skin and helps other ingredients absorb more effectively.

Benefits

Hydration, enhances penetration of active ingredients, prevents moisture loss, solvent properties.

How to Use

Present in many formulations. No specific application instructions.

Technical Details
Typical Concentrations1%-5%
Research Summary

CIR-reviewed as safe at cosmetic concentrations. Effective humectant but higher irritation potential than butylene glycol or glycerin.

What to Avoid With
  • propylene glycol sensitivity
  • very sensitive skin

Cautions

Can irritate sensitive skin more than other glycols. Concentration-dependent irritation potential. Some individuals may experience contact dermatitis.

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