Ingredient Guide
Triethanolamine
Also known as: TEA, Trolamine
Most skin types in standard concentrations
What It Is
A pH-adjusting agent and emulsifier widely used in cosmetics to balance the pH of formulations and help blend oil and water components.
What It Does
Adjusts and stabilizes the pH of a formula, ensuring it stays at the intended level for efficacy and safety. Also acts as a mild emulsifier.
Best For
N/A — a formulation ingredient rather than an active
Benefits
- Essential for maintaining correct formula pH
- Helps emulsify oil and water components
- Well tolerated in standard cosmetic concentrations
When to Be Careful
- High concentrations or repeated exposure may cause sensitization in some individuals
- Some concern exists over impurities in low-grade versions — reputable brands use cosmetic-grade TEA
Commonly Found In
MoisturizersCleansersSerumsSunscreens
Products Containing Triethanolamine
FAQs About Triethanolamine
Is triethanolamine safe in skincare?
At the concentrations used in standard cosmetics, triethanolamine is considered safe by regulatory bodies including the EU Cosmetics Regulation. It is used as a pH adjuster and emulsifier in countless products.
Should I avoid triethanolamine?
For most people, no. Those with very sensitive skin may want to patch test products with TEA, as rare sensitization has been reported. In standard cosmetic formulations, it is considered safe and effective.