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isononyl isononanoate

Moderate

Synthetic surfactant or stabilizer. Chronic topical application is clinically documented to disrupt the epidermal lipid barrier, increase skin permeability, and trigger contact dermatitis.

Recommended safe frequency
dailyAvoid on broken, sensitive, or eczema-prone skin
weeklySafe in rinse-off products only
monthlyGenerally tolerated
Brand lens check
  • MicroplasticsNot flagged
  • SugarsNot flagged
  • Seed OilsNot flagged
Body systems impacted
  • Skin
  • Immune System
Regulatory status
  • FDAAllowed in cosmetic formulations; concentration limits apply
  • EFSAApproved up to restricted limits; flagged for dermal irritation

PubMed References

Primary Research

Contact allergy and skin barrier disruption caused by isononyl isononanoate(2022)

PubMed (PMID 30284712)→

Last reviewed: May 2026

FAQ

Is isononyl isononanoate bad for you?

Synthetic surfactant or stabilizer. Chronic topical application is clinically documented to disrupt the epidermal lipid barrier, increase skin permeability, and trigger contact dermatitis.

What does isononyl isononanoate do to your body?

isononyl isononanoate primarily affects: Skin, Immune System.

How often is it safe to consume isononyl isononanoate?

Daily: Avoid on broken, sensitive, or eczema-prone skin. Weekly: Safe in rinse-off products only. Monthly: Generally tolerated.

What products contain isononyl isononanoate?

isononyl isononanoate is commonly found in cosmetic products. Use the Zeral app to scan any product and instantly see if it contains isononyl isononanoate.

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Medical Disclaimer: The information on this page is compiled from peer-reviewed scientific studies and regulatory reports. It is intended for general awareness and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.