For school-age children (5 years and older), Steareth-21 is usually low risk when it’s in regular lotions or wipes. It helps mix oil and water so creams feel smooth. Most kids won’t be harmed by small amounts on the skin.
Use products made for children or those from brands that test their ingredients. Don’t put products with this ingredient on broken or sore skin. If you try a new product, test a small area first (patch test) and watch the skin for a day or two. If your child’s skin becomes red, itchy, or swollen, stop using the product and talk to your pediatrician.
The ingredient summary flags contamination by ethylene oxide and 1,4-dioxane as a concern (these are chemicals that can appear as trace impurities during manufacturing). The Cosmetic Ingredient Review also notes possible skin or eye irritation, and an environmental agency raised contamination/environmental concerns. Some product-verification programs restrict this ingredient unless companies provide extra safety data. Because of these notes, prefer brands that test for impurities and avoid use on children with sensitive skin. If you see irritation, rashes, or if your child has a known chemical sensitivity, stop use and seek medical advice.
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This ingredient is found in the following products:
This list shows products that contain Steareth-21 or its alternative names.
Yes, Steareth-21 is generally considered safe for 5+ year old children based on current research.
Connected to cancer risk with long-term or repeated exposure.
Possible negative effects on the environment
Steareth-21 is commonly found in skincare products, cosmetics, and topical applications. Always check ingredient labels before use.
The appropriate age depends on the specific ingredient properties and concentration. This analysis is for 5+ year old children. Use the age selector above to check other ages.
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