Is Propylene Glycol Safe? What You Need to Know
Safety Score
Concern Level: moderate
Propylene Glycol has moderate safety concerns. Consider alternatives where possible, especially for vulnerable populations.
What Is Propylene Glycol?
A humectant and solvent used in many personal care and cleaning products. Generally considered safe at low concentrations.
Commonly found in: moisturizers, deodorant, shampoo, cleaning products
Safety Research & Evidence
A humectant and solvent used in many personal care and cleaning products. Generally considered safe at low concentrations.
Regulatory status: GRAS by FDA; CIR safe up to 50% in cosmetics
Health Concerns
skin irritation at high concentrations
Evidence: ModerateResearch indicates skin irritation at high concentrations may be associated with exposure to Propylene Glycol. Particularly concerning for people with sensitive skin, those with propylene glycol allergy.
contact dermatitis
Evidence: ModerateResearch indicates contact dermatitis may be associated with exposure to Propylene Glycol. Particularly concerning for people with sensitive skin, those with propylene glycol allergy.
Vulnerable Populations
Extra caution recommended for: people with sensitive skin, those with propylene glycol allergy
Safer Alternatives
| Alternative | Safety Score |
|---|---|
| Vegetable Glycerin | 8/10 |
How to Avoid Propylene Glycol
- Read ingredient labels carefully for "Propylene Glycol" or its chemical synonyms
- Choose products with third-party certifications (EWG Verified, Made Safe)
- Consider alternatives like Vegetable Glycerin
- Check the EWG Skin Deep database for product ratings
- Look for "Propylene Glycol-free" labels on product packaging
Frequently Asked Questions
Is Propylene Glycol safe for babies?
Propylene Glycol is generally considered acceptable for use around babies at typical concentrations in consumer products.
What are the safest alternatives to Propylene Glycol?
Safer alternatives include Vegetable Glycerin (safety score: 8/10).
Is Propylene Glycol banned in other countries?
Regulatory status: GRAS by FDA; CIR safe up to 50% in cosmetics
How do I know if my product contains Propylene Glycol?
Check the full ingredient list on the product label. Propylene Glycol may also appear under different chemical names. Using apps like EWG Healthy Living or Think Dirty can help identify it.
Related Safety Guides
References
- Lessmann H et al. (2005). Propylene glycol: a safe and effective humectant PMID: 22025210