adults • Skin contact product
Ceteareth-20 is a common ingredient in lotions and creams. For adults it is usually safe on normal, unbroken skin. A few people may get irritation or eye stinging. The bigger thing to know is that some batches can be contaminated with small amounts of harmful manufacturing byproducts (called ethylene oxide and 1,4‑dioxane).
If you are an adult: use products containing this ingredient on intact skin only; avoid applying to cuts, sunburns, or irritated skin. If you have sensitive skin, do a small patch test on the inside of your forearm and wait 24–48 hours before wider use. Prefer products from brands that say they test for impurities or control for manufacturing contaminants. Stop use if you get redness, burning, swelling or eye irritation.
The ingredient safety reviews flag two main issues: possible contamination with ethylene oxide and 1,4‑dioxane (manufacturing byproducts), and that the ingredient can increase how much other ingredients penetrate the skin (noted by cosmetic ingredient review groups). There is also a low chance of skin or eye irritation. Avoid use on broken or inflamed skin, watch for any irritation after first use, and seek medical care for severe reactions. If you are pregnant or especially worried about impurities, talk with your healthcare provider or choose products that test and publish impurity results.
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This ingredient is found in the following products:
This list shows products that contain Ceteareth-20 or its alternative names.
Yes, Ceteareth-20 is generally considered safe for adults based on current research.
Connected to cancer risk with long-term or repeated exposure.
Can be absorbed through the skin and get into the bloodstream.
Linked to long-term health effects after years of use or exposure.
Ceteareth-20 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 adults. Use the age selector above to check other ages.
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