Ingredient
Octoxynol-11
Octoxynol-11 is flagged for pregnancy, breastfeeding, trying to conceive, PCOS, postpartum and general use. The concern behind the strongest flag is endocrine disruptor and fetal development.
- Octylphenol Ethoxylate
- Polyethylene Glycol Octylphenyl Ether
Verdict by profile
Truva checks every ingredient against six profiles. Jump to any of them for the full assessment.
- Strongest verdict
- Not Recommended
- Its verdict for pregnancy, the profile this one is worst in
- Profiles flagged
- 6 of 6
- Counting avoid, high risk and medium risk
- Irritancy
- 2 of 5
- Higher means more likely to sting or redden
Octoxynol-11 and pregnancy
Not Recommended
- Endocrine disruptor
- Fetal development
- Absorbed into the body
Octoxynol-11 is a surfactant and emulsifier used in cosmetic formulations. It belongs to the alkylphenol ethoxylate family, which can break down into octylphenol, a compound with known endocrine-disrupting properties. According to the European Chemicals Agency (ECHA), alkylphenol ethoxylates and their breakdown products can interfere with hormone signaling by mimicking estrogen. During pregnancy, when hormonal balance is critical for fetal development, exposure to endocrine disruptors is a particular concern. Animal studies have shown that octylphenol can cross the placenta and affect fetal development, though human data is limited. While octoxynol-11 is not explicitly banned during pregnancy, the European Commission and ECHA have raised concerns about this chemical family. Many obstetricians and dermatologists recommend avoiding alkylphenol ethoxylates during pregnancy as a precautionary measure, especially given the availability of safer alternatives.
Octoxynol-11 and breastfeeding
Not Recommended
- Endocrine disruptor
- Passes into breast milk
- Infant exposure
Octoxynol-11 and its breakdown products have endocrine-disrupting properties. Octylphenol, the degradation product, is lipophilic (fat-soluble) and can accumulate in fatty tissues. While specific studies on breast milk transfer are limited, the fat-soluble nature of octylphenol and its documented endocrine-disrupting effects raise concerns about potential infant exposure through breast milk. Studies have detected alkylphenols in human breast milk in populations with environmental exposure. Given the endocrine-disrupting potential and the vulnerability of infants to hormonal disruption during development, most experts recommend avoiding octoxynol-11 during breastfeeding. The AAD notes that safer surfactants and emulsifiers are readily available and should be preferred.
Octoxynol-11 and postpartum
Caution Advised
- Endocrine disruptor
- Irritant
For postpartum women not breastfeeding, the primary concern with octoxynol-11 is its endocrine-disrupting potential. During the postpartum period, women's bodies are reestablishing hormonal balance, and exposure to hormone-disrupting chemicals is best minimized. While the risk is lower than during pregnancy or breastfeeding, the ingredient can still cause skin irritation and has environmental persistence concerns. Given the availability of gentler, non-endocrine-disrupting alternatives, many dermatologists recommend choosing products without alkylphenol ethoxylates.
Octoxynol-11 and trying to conceive
Not Recommended
- Endocrine disruptor
- Hormone disruptor
- Fertility effects
Octoxynol-11 and its breakdown products have documented endocrine-disrupting properties. During the preconception period, minimizing exposure to hormone-disrupting chemicals is important for optimizing fertility and preparing for a healthy pregnancy. Studies have shown that octylphenol can interfere with reproductive hormones and may affect egg quality and early embryonic development. Women trying to conceive should avoid alkylphenol ethoxylates and choose products formulated with safer alternatives.
Octoxynol-11 and PCOS
Not Recommended
- Endocrine disruptor
- Interferes with hormones
- Affects estrogen
Octoxynol-11 breaks down into octylphenol, which can mimic estrogen in the body. For women with PCOS, who already experience hormonal imbalances involving both androgens and estrogen, exposure to endocrine-disrupting chemicals is particularly problematic. Research shows that alkylphenols can interfere with normal hormone signaling and may contribute to hormone-related conditions. The estrogenic activity of octylphenol could potentially worsen hormonal imbalances in women with PCOS or interfere with treatment. Women with PCOS should avoid products containing octoxynol-11 and other alkylphenol ethoxylates. The Endocrine Society has identified these chemicals as endocrine disruptors of concern, and safer alternatives are widely available.
Octoxynol-11 and general use
Caution Advised
- Endocrine disruptor
- Irritant
- Environmental pollutant
Octoxynol-11 is a surfactant and emulsifier that belongs to the alkylphenol ethoxylate family. While it effectively helps mix ingredients and cleanse skin, this chemical class has fallen out of favor due to environmental and health concerns. The primary concern is that octoxynol-11 can break down into octylphenol, a persistent environmental pollutant and known endocrine disruptor. According to ECHA, octylphenol can mimic estrogen and interfere with hormone systems in both humans and wildlife. It's also a skin irritant for some individuals. The EU has implemented restrictions on some alkylphenol ethoxylates due to their environmental persistence and potential health effects. Many cosmetic manufacturers are voluntarily reformulating products to use alternative surfactants like glucosides or other non-endocrine-disrupting emulsifiers. The Endocrine Society lists alkylphenols as chemicals of concern.
Everything else flagged for the same profiles
Related ingredients
Ingredients suggested in place of Octoxynol-11, each one with its own page here.
Ingredients that raise the same concerns.
Where this came from
Truva summarises published guidance from bodies including ACOG, the FDA, the EU SCCS and the Cosmetic Ingredient Review. It has no access to your medical history and it is not a substitute for your doctor, dermatologist or midwife. These assessments have not been reviewed by a clinician, and nothing here is a diagnosis or a prescription. If you are pregnant, breastfeeding or being treated for PCOS, take the ingredient list to the person looking after you.
Assessment last pulled from the ingredient database on .
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