For babies 6 to 12 months old, PEG-100 Stearate (an ingredient that helps water and oil mix in lotions) is usually low risk for causing irritation or allergic reactions. The main concern is that during manufacturing it can sometimes carry tiny amounts of unsafe contaminants. Because baby skin is still sensitive, it’s best to be careful.
Use products made for babies, in small amounts. Prefer wash-off products (like shampoos that are rinsed) when possible. If using a leave-on lotion, pick brands that test for and state they minimize impurities, or choose products labeled for sensitive baby skin. Do a small patch test on your baby’s forearm and wait 24 hours to watch for redness or swelling. Avoid putting products on broken or sore skin. If you see irritation, stop use and ask your pediatrician.
Watch for signs of irritation (redness, rash, swelling) and stop use if they appear. There is a specific concern about contamination by ethylene oxide and 1,4-dioxane that comes from manufacturing processes (not the ingredient’s normal function) — this issue is noted in ingredient safety reviews and government/industry safety listings (for example, Cosmetic Ingredient Review and government chemical listings). Because these contaminants can be harmful, prefer baby products from manufacturers that test for and limit these impurities.
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This ingredient has the following documented risks:
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This ingredient is found in the following products:
This list shows products that contain PEG-100 Stearate or its alternative names.
Use caution with PEG-100 Stearate for 6-12 month old babies. Some safety concerns have been identified.
Connected to cancer risk with long-term or repeated exposure. This is especially important for babies whose skin and systems are still developing.
Possible negative effects on the environment This is especially important for babies whose skin and systems are still developing.
Linked to long-term health effects after years of use or exposure. This is especially important for babies whose skin and systems are still developing.
PEG-100 Stearate 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 6-12 month old babies. Use the age selector above to check other ages.
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