For adults: triethanolamine is usually safe in properly made skin products. Some people can get allergic skin reactions, and there is a manufacturing concern about contamination with nitrosamines if the product is not produced carefully.
Choose products from reputable brands that follow safety rules. If you have sensitive skin, prefer rinse-off products (like cleansers) over leave-on creams when possible. Do a small patch test on your inner arm before using a new product broadly. Stop use and see a doctor if you get redness, itching, blisters, or breathing problems.
Watch out for rash or irritation (this ingredient can be a skin allergen — source: cosmetic safety reviews and occupational reports). Be cautious about long‑term use of leave-on products if you have sensitive skin because some reviews limit concentration for leave-on vs rinse-off products (source: cosmetic safety review panels and regulatory guidance). There is also a contamination concern for nitrosamines if manufacturing controls are poor (source: contamination concerns listing).
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This ingredient is found in the following products:
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Scientific research related to this ingredient:
These research articles provide scientific evidence about Triethanolamine safety and effects.
Yes, Triethanolamine is generally considered safe for adults based on current research.
Could weaken or confuse immune system.
Can cause skin redness, itchiness, or rashes—especially on sensitive baby skin.
Can make breathing issues like asthma worse in babies and kids.
Linked to triggering or worsening eczema and similar skin conditions.
May harm organs like liver, kidneys, or lungs with repeated use.
Banned or heavily restricted in one or more countries.
Connected to cancer risk with long-term or repeated exposure.
Triethanolamine 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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