Is Ethylhexyl Methoxycinnamate (Octinoxate) Safe During Pregnancy?
Ethylhexyl methoxycinnamate is a common chemical UV filter used in sunscreens and SPF makeup. It is also listed as octinoxate or octyl methoxycinnamate on ingredient labels. In the MamaSkin ingredient library, this filter is classified as medium risk due to endocrine and thyroid disruption signals in in-vitro and animal data, plus measurable systemic absorption. That does not mean every product containing it is unsafe, but it does mean we flag it and recommend extra caution in pregnancy.
At a glance: octinoxate (ethylhexyl methoxycinnamate) is medium risk in our ingredient dataset.
What is Ethylhexyl Methoxycinnamate (Octinoxate)?
Ethylhexyl Methoxycinnamate (Octinoxate) is a sunscreen-related filter or UV-protection ingredient used in SPF formulas.
Why MamaSkin marks Ethylhexyl Methoxycinnamate (Octinoxate) as medium risk
Octinoxate UV filter; estrogenic/thyroid disruption in vitro and animal models. In our scoring model, this is treated as medium risk in pregnancy-focused assessments.
Quick summary
- Risk band: medium risk in our ingredient library.
- Common use: chemical UV filter in sunscreens and SPF makeup.
- Why flagged: endocrine and thyroid disruption signals with measurable systemic absorption.
Callout: Key ingredient flags
Octinoxate / Ethylhexyl Methoxycinnamate (medium risk): endocrine and thyroid disruption signals in the evidence base.
Zinc Oxide and Titanium Dioxide (no known risks): mineral filters with low absorption in topical use.
What the label may say
You may see any of these names on a label:
- Ethylhexyl methoxycinnamate
- Octinoxate
- Octyl methoxycinnamate
These are the same UV filter in different naming conventions.
Product examples from our database
Want the full list? These are example products from our current snapshot, not every product we track. In the MamaSkin app you can search and scan many more products, including full brand ranges.
- Clear Skincare BB Red Cover Cream (score 57, medium risk)
- Jenpharm Spectra Matt SC SPF 40 (score 57, medium risk)
- Sunsense Face Ultra Light SPF 50+ (score 56, medium risk)
- 2aN Long Wearing Foundation (score 55, medium risk)
What to use instead (based on our ingredient library)
If you want to avoid octinoxate, our ingredient dataset lists zinc oxide and titanium dioxide as no known risks for typical topical use. If you choose powders or sprays with these mineral filters, consider avoiding inhalation exposure.
Important notes
- This article is informational and not medical advice.
- Always check the ingredient list for your exact product.
- Use the app to scan the full label and see all flagged ingredients.
Read next
- Pregnancy-Safe Sunscreens: Mineral vs Chemical (2026)
- Is Avobenzone Safe During Pregnancy?
- Is Oxybenzone (BP-3) Safe During Pregnancy?
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