Propylene Glycol
HumectantSolventAlso 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.
Routine placement
Serum · AM & PM
Time to results
Immediate hydration boost; 2-4 weeks for sustained improvement
Hydration, enhances penetration of active ingredients, prevents moisture loss, solvent properties.
Present in many formulations. No specific application instructions.
CIR-reviewed as safe at cosmetic concentrations. Effective humectant but higher irritation potential than butylene glycol or glycerin.
- 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.
What does Propylene Glycol do for skin?
Propylene Glycol is used in skincare primarily as a humectant ingredient. Its effects depend on concentration and formulation. Check the benefits section above for specific details.
Is Propylene Glycol safe for sensitive skin?
Propylene Glycol is generally well-tolerated, but sensitivity varies by individual. Start with a patch test if you have reactive skin, and introduce gradually into your routine.
Can I use Propylene Glycol every day?
For most skin types, daily use is appropriate at standard concentrations. If you experience any irritation, reduce frequency to every other day.
Does your skincare contain Propylene Glycol?
Paste your product's ingredient list to check, or create your Skinularity ID for a full routine.
Find Propylene Glycol products
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