Is Diethanolamine (DEA) Safe? What You Need to Know
Safety Score
Concern Level: very-high
Diethanolamine (DEA) has significant safety concerns. We recommend avoiding products containing this ingredient.
What Is Diethanolamine (DEA)?
A pH adjuster and foaming agent that can react with other ingredients to form carcinogenic nitrosamines.
Commonly found in: shampoo, body wash, cleaning products
Safety Research & Evidence
A pH adjuster and foaming agent that can react with other ingredients to form carcinogenic nitrosamines.
Regulatory status: Not restricted by FDA; EU limits concentration and prohibits use with nitrosating agents
Health Concerns
organ toxicity
Evidence: StrongResearch indicates organ toxicity may be associated with exposure to Diethanolamine (DEA). Particularly concerning for children, pregnant women.
contamination risk
Evidence: StrongResearch indicates contamination risk may be associated with exposure to Diethanolamine (DEA). Particularly concerning for children, pregnant women.
skin irritation
Evidence: StrongResearch indicates skin irritation may be associated with exposure to Diethanolamine (DEA). Particularly concerning for children, pregnant women.
Vulnerable Populations
Extra caution recommended for: children, pregnant women
Safer Alternatives
| Alternative | Safety Score |
|---|---|
| Cocamidopropyl Betaine | 7/10 |
How to Avoid Diethanolamine (DEA)
- Read ingredient labels carefully for "Diethanolamine (DEA)" or its chemical synonyms
- Choose products with third-party certifications (EWG Verified, Made Safe)
- Consider alternatives like Cocamidopropyl Betaine
- Check the EWG Skin Deep database for product ratings
- Look for "Diethanolamine (DEA)-free" labels on product packaging
Frequently Asked Questions
Is Diethanolamine (DEA) safe for babies?
No, we recommend avoiding Diethanolamine (DEA) in products used on or around babies due to their developing systems.
What are the safest alternatives to Diethanolamine (DEA)?
Safer alternatives include Cocamidopropyl Betaine (safety score: 7/10).
Is Diethanolamine (DEA) banned in other countries?
Regulatory status: Not restricted by FDA; EU limits concentration and prohibits use with nitrosating agents
How do I know if my product contains Diethanolamine (DEA)?
Check the full ingredient list on the product label. Diethanolamine (DEA) may also appear under different chemical names. Using apps like EWG Healthy Living or Think Dirty can help identify it.
Related Safety Guides
References
- NTP (2001). Diethanolamine carcinogenicity studies PMID: 11768027