What is it?

“Aminomethyl propanol is a clear, colorless liquid that neutralizes acids to form salts and water. It is an alkanolamine.” Wikipedia

What are the effects?

This substance belongs to the groups:

The European Chemicals Agency (ECHA) identifies that “substance causes serious eye irritation, is harmful to aquatic life with long lasting effects and causes skin irritation, causes serious eye damage.”

Aminomethyl propanol could form nitrosamines in products. To avoid the formation of nitrosamines it should not be in the same cosmetic formulations containing nitrosating substances.

This substance is restricted for use in cosmetic products within the European Union as is belongs to the chemical group “monoalkanolamines and their salts”. The restrictions says “Maximum secondary amine content: 0.5%”, and it should not be used with nitrosating systems; “Minimum purity: 99%, Maximum secondary amine content: 0.5% (applies to raw materials), Maximum nitrosamine content: 50 microgram/kg – – Keep in nitrite-free containers.”


Even though it is not listed on the list of ingredients, products with aminomethyl propanol may contain impurities from:

  • Nitrosamines –  Linked to endocrine disruption, cancer, organ system toxicity, and is prohibited to use in cosmetics in the EU and Canada.

How is it used?

Aminomethyl propanol is used as a ph adjuster and buffer solution in all kinds of cosmetic products*. It has been found in hair care, skin care, and body care products.

We use the European Commissions definition of Cosmetics:
“Cosmetics range from everyday hygiene products such as soap, shampoo, deodorant, and toothpaste to luxury beauty items including perfumes and makeup”.

Read about the other ingredients.


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