Ingredient
Steareth-10
Steareth-10 is flagged for PCOS. The concern behind the strongest flag is can clog pores.
- Polyoxyethylene (10) Stearyl Ether
- PEG-10 Stearyl Ether
Verdict by profile
Truva checks every ingredient against six profiles. Jump to any of them for the full assessment.
- Strongest verdict
- Caution Advised
- Its verdict for PCOS, the profile this one is worst in
- Profiles flagged
- 1 of 6
- Counting avoid, high risk and medium risk
- Irritancy
- 3 of 5
- Higher means more likely to sting or redden
Steareth-10 and pregnancy
Safe to Use
Steareth-10 is a synthetic compound derived from stearyl alcohol and ethylene oxide, functioning as an emulsifier to help blend oil and water phases in cosmetic formulations. It's commonly found in creams, lotions, and cleansers. As a topical emulsifier, steareth-10 has minimal systemic absorption through intact skin. There are no known teratogenic effects or specific concerns during pregnancy. While PEG compounds theoretically could contain trace contaminants from manufacturing, well-purified cosmetic-grade ingredients pose negligible risk. No regulatory bodies have raised concerns about topical PEG ethers during pregnancy. The ingredient is generally recognized as safe for topical use during pregnancy by dermatologists. The main consideration is comedogenicity, which may worsen pregnancy-related acne, but this is a cosmetic rather than health concern.
Steareth-10 and breastfeeding
Safe to Use
Steareth-10 is a surfactant and emulsifier used in skincare products. When applied topically, it remains on the skin surface or in the upper layers of skin with minimal penetration into the bloodstream. There is no evidence of milk transfer or infant exposure concerns with topical steareth-10. The molecular structure and low systemic absorption make it unlikely to reach breast milk in meaningful amounts. No medical organizations have identified concerns with PEG ethers during breastfeeding. Breastfeeding mothers can safely use products containing steareth-10. The primary consideration is avoiding application directly on the nipple area before breastfeeding to prevent infant ingestion, which is standard guidance for any cosmetic product.
Steareth-10 and postpartum
Safe to Use
Steareth-10 functions as an emulsifier in skincare formulations, helping to create stable textures in creams and lotions. For postpartum women not breastfeeding, there are no hormonal or reproductive concerns with this ingredient. The main consideration is the high comedogenicity rating, which may be relevant if experiencing postpartum acne or hormonal breakouts. Otherwise, it's safe for general use in skincare products.
Steareth-10 and trying to conceive
Safe to Use
Steareth-10 is a topical emulsifier with no known effects on fertility or hormone function. There is no evidence suggesting it interferes with conception or reproductive health. Women trying to conceive can safely use skincare products containing steareth-10. The ingredient's minimal systemic absorption means it does not impact hormonal balance or fertility. The main consideration remains comedogenicity for those prone to acne.
Steareth-10 and PCOS
Caution Advised
- Can clog pores
Steareth-10 is an emulsifying agent commonly found in creams and lotions. For women with PCOS, the primary concern is not hormonal but rather the ingredient's high comedogenicity rating of 4 out of 5. PCOS is often associated with elevated androgens that increase sebum production and acne susceptibility. Using highly comedogenic ingredients like steareth-10 can further clog pores and exacerbate acne, which is already a common PCOS symptom affecting 15-30% of women with the condition. While steareth-10 doesn't interfere with hormones or PCOS management, dermatologists typically recommend women with PCOS-related acne avoid highly comedogenic ingredients. Consider products formulated with non-comedogenic emulsifiers instead.
Steareth-10 and general use
Safe to Use
- Irritant
- Can clog pores
Steareth-10 is a widely used emulsifier in cosmetics that helps create smooth, stable formulations. It's found in various personal care products including moisturizers, cleansers, and hair care items. The primary concerns are moderate skin irritation potential and high comedogenicity. People with sensitive skin may experience irritation, redness, or dryness. Those with acne-prone or oily skin should be particularly cautious as the comedogenicity rating of 4/5 indicates significant pore-clogging potential. For individuals without sensitive or acne-prone skin, steareth-10 is generally well-tolerated in cosmetic formulations. Those with concerns about comedogenicity should look for products labeled non-comedogenic or choose alternative emulsifiers.
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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 .
One ingredient is the easy case.
A label has thirty of them. Truva reads the whole list at once and answers for the profile you set: pregnancy, breastfeeding, postpartum, trying to conceive, PCOS, or general use.
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