Is Polyethylene Glycol (PEG) Safe? What You Need to Know
Safety Score
Concern Level: moderate
Polyethylene Glycol (PEG) has moderate safety concerns. Consider alternatives where possible, especially for vulnerable populations.
What Is Polyethylene Glycol (PEG)?
A family of synthetic polymers used as thickeners, solvents, and skin conditioners. Can be contaminated with 1,4-dioxane and ethylene oxide.
Commonly found in: moisturizers, toothpaste, laxatives, pharmaceutical coatings
Safety Research & Evidence
A family of synthetic polymers used as thickeners, solvents, and skin conditioners. Can be contaminated with 1,4-dioxane and ethylene oxide.
Regulatory status: CIR safe at current concentrations when properly manufactured; FDA approved in drugs
Health Concerns
1,4-dioxane contamination
Evidence: ModerateResearch indicates 1,4-dioxane contamination may be associated with exposure to Polyethylene Glycol (PEG). Particularly concerning for those with PEG allergy, damaged skin (enhanced penetration).
skin penetration enhancement
Evidence: ModerateResearch indicates skin penetration enhancement may be associated with exposure to Polyethylene Glycol (PEG). Particularly concerning for those with PEG allergy, damaged skin (enhanced penetration).
allergic reactions
Evidence: ModerateResearch indicates allergic reactions may be associated with exposure to Polyethylene Glycol (PEG). Particularly concerning for those with PEG allergy, damaged skin (enhanced penetration).
Vulnerable Populations
Extra caution recommended for: those with PEG allergy, damaged skin (enhanced penetration)
Safer Alternatives
| Alternative | Safety Score |
|---|---|
| Vegetable Glycerin | 8/10 |
How to Avoid Polyethylene Glycol (PEG)
- Read ingredient labels carefully for "Polyethylene Glycol (PEG)" 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 "Polyethylene Glycol (PEG)-free" labels on product packaging
Frequently Asked Questions
Is Polyethylene Glycol (PEG) safe for babies?
Polyethylene Glycol (PEG) is generally considered acceptable for use around babies at typical concentrations in consumer products.
What are the safest alternatives to Polyethylene Glycol (PEG)?
Safer alternatives include Vegetable Glycerin (safety score: 8/10).
Is Polyethylene Glycol (PEG) banned in other countries?
Regulatory status: CIR safe at current concentrations when properly manufactured; FDA approved in drugs
How do I know if my product contains Polyethylene Glycol (PEG)?
Check the full ingredient list on the product label. Polyethylene Glycol (PEG) may also appear under different chemical names. Using apps like EWG Healthy Living or Think Dirty can help identify it.
Related Safety Guides
References
- CIR Expert Panel (2005). Polyethylene glycol compounds: safety review PMID: 16076472