Triethanolamine is an organic compound used in cosmetics to adjust the pH of products, ensuring they are neither too acidic nor too alkaline. It also helps to blend oil and water components, creating stable emulsions. This ingredient is commonly found in a wide range of personal care items.
NonePH adjuster, emulsifierVeganEvidence: Medium
BenefitNone 0 / 4
RiskModerate 1.5 / 4
Irritation
Systemic exposure
Sensitization
Rated by SpottyLabs' ingredient methodology, independent of brands.
Things to watch
May form nitrosamines in the presence of nitrosating agents
Potential for skin irritation in sensitive individuals
Be careful combining with
None— Avoid using with ingredients that can act as nitrosating agents (e.g., certain preservatives like bronopol) to prevent the formation of potentially harmful nitrosamines.
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Frequently asked questions
What is triethanolamine used for in skincare?
Triethanolamine primarily functions as a pH adjuster, helping to stabilize the acidity or alkalinity of a product. It also acts as an emulsifier, assisting in the mixing of oil and water-based ingredients to create a smooth, consistent texture.
Is triethanolamine safe to use on skin?
When used within regulatory limits in cosmetic formulations, triethanolamine is generally considered safe. However, some individuals with sensitive skin may experience irritation, and there is a concern about the potential formation of nitrosamines if combined with certain other ingredients.
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