For adults: Undecane is likely safe to use on the skin in ordinary cosmetic products. Official reviews show little to no risk to human health from normal topical use.
Use products that list undecane as an ingredient the way the label says. If you have very sensitive skin, do a small patch test (apply a tiny amount on the inside of your forearm and wait 24 hours). Stop use if you get redness, itching, or irritation. Avoid applying it to broken or irritated skin.
Watch for skin irritation or allergy — stop use and see a healthcare provider if you develop a rash, swelling, or breathing trouble. Government assessments (U.S. EPA and Environment Canada) find low human-health concerns but Environment Canada notes potential environmental harm — avoid pouring products down drains in large amounts and dispose of containers responsibly. If you are pregnant or breastfeeding and concerned, talk with your healthcare provider, though current reviews show low reproductive risk.
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This ingredient is found in the following products:
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Yes, Undecane is generally considered safe for adults based on current research.
Possible negative effects on the environment
Undecane 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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