Is laureth-4 carboxylic acid safe for baby skin?
Reviewed by VeriMom Editorial Team · Last reviewed
Baby skin
laureth-4 carboxylic acid
LOW RISK87
/100
Also relevant: pregnancy safety
Want to know if laureth-4 carboxylic acid is also safe during pregnancy?
Is laureth-4 carboxylic acid safe during pregnancy? →Gentle products containing laureth-4 carboxylic acid

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Sources & references
Authoritative references used to score this ingredient.
Ingredients — Pregnancy-Safe Ingredients Database — 28,000+ Ingredients Rated
See also
Frequently asked questions
- Is laureth-4 carboxylic acid safe for baby skin?
- No infant‑specific developmental or reproductive toxicity data were found; therefore hazard and mechanism default to 0. Exposure is increased (+1) relative to adults because infants (0–3 yr) have higher surface‑area‑to‑weight and less mature skin barrier, and a parent surfactant/acid is expected to have measurable dermal uptake, so e = 2.
- Is laureth-4 carboxylic acid safe for newborns?
- No infant‑specific developmental or reproductive toxicity data were found; therefore hazard and mechanism default to 0. Exposure is increased (+1) relative to adults because infants (0–3 yr) have higher surface‑area‑to‑weight and less mature skin barrier, and a parent surfactant/acid is expected to have measurable dermal uptake, so e = 2.
- Can I use laureth-4 carboxylic acid on a baby under 6 months?
- We don't have baby-skin-specific data for laureth-4 carboxylic acid. Stick to ingredients we've marked no known risks for babies until more evidence is available.
- What are safer alternatives to laureth-4 carboxylic acid for babies?
- See our curated list of pregnancy-safe alternatives to laureth-4 carboxylic acid based on similar function and a no-known-risks safety band.
- How does VeriMom rate laureth-4 carboxylic acid for baby skin?
- VeriMom scores laureth-4 carboxylic acid at 87/100 (low risk) based on EU CosIng status, ECHA hazard classifications, and peer-reviewed PubMed studies. Our scoring pipeline is fully transparent.
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Medical Disclaimer
This information is for educational purposes only and does not constitute medical advice. Safety scores are based on publicly available data and may not reflect all risks. Always consult your healthcare provider before using any product during pregnancy or breastfeeding.