What is the Function of triethanolamine in hand cream?

Triethanolamine (TEA) is an organic compound with the formula N(CH2CH2OH)3. This tertiary amine is important in cosmetics and personal care products, where it is used as an emulsifier, pH adjuster, and foaming agent. It is also used in some pharmaceutical formulations.

Function of Triethanolamine in Hand Cream

In hand creams, triethanolamine serves several functions:

1. Emulsifier: Triethanolamine helps to mix water and oil-based ingredients in the hand cream, forming a stable emulsion. This allows for the even distribution of ingredients and prevents the cream from separating into separate water and oil phases.

2. pH Adjuster: Triethanolamine is a weak base and can help to adjust the pH of the hand cream to a desired level. This is important as it ensures that the cream does not become too acidic or alkaline, which could cause skin irritation.

3. Foaming Agent: Triethanolamine can also act as a foaming agent in hand creams. It helps to create a lather or foam when the cream is applied to wet skin, which can enhance the cleaning and refreshing properties of the product.

4. Moisturizing Effect: Triethanolamine can also contribute to the moisturizing effect of hand creams. It helps to soften and smooth the skin, preventing it from becoming rough and dry.

It's important to note that while triethanolamine is generally safe for use in cosmetics and personal care products, some people may experience skin irritation or allergic reactions. If you have sensitive skin, it is recommended to do a patch test before using a hand cream containing triethanolamine to ensure it is well-tolerated.