Triethanolamine

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.

BenefitNone 0 / 4

RiskModerate 1.5 / 4

Irritation i1 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Systemic exposure i1 / 4

Whether it has meaningful potential to be absorbed into the body at levels that may matter biologically. Most cosmetic ingredients score low unless there is known concern or high exposure.

Sensitization i0.5 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

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.

Products with Triethanolamine

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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.