Steareth-4

What is Steareth-4?

Steareth-4 is a non-ionic surfactant and emulsifier commonly used in cosmetics and personal care products. It is also known as PEG-4 stearyl ether and is part of a group of ingredients made by combining polyethylene glycol with stearic acid.

Where is Steareth-4 used?

It is found in a variety of personal care products, including personal cleanliness products, deodorants, suntan lotions, fragrances, as well as skin, eye, and hair products. It is specifically used in products like cold creams and cleansing lotions due to its effective emulsifying properties.

Why is Steareth-4 used in cosmetics and personal care products?

Steareth-4 helps to form stable emulsions by reducing the interactive forces between molecules in different phases of a product. This prevents the ingredients from separating, ensuring the product remains homogenous and effective over time.

How does Steareth-4 function in formulations?

It acts as a wetting agent, emulsifying agent, and solubilizer. These properties make it ideal for incorporation into bath products and cleansing products, where it helps to improve texture, consistency, and the overall effectiveness of the product.

Is Steareth-4 stable when used in various conditions?

Yes, Steareth-4 is stable in the presence of acids, alkalis, and heat, making it a versatile ingredient for a wide range of formulation conditions and product types.

What is the recommended concentration of Steareth-4 in formulations?

The recommended use level for Steareth-4 in formulations ranges from 1% to 5%, depending on the specific requirements of the product being developed.

What are the sources of stearic acid used in Steareth-4?

The stearic acid component of Steareth-4 can be derived from either animal or plant sources. This allows for flexibility in sourcing, depending on the desired characteristics and target markets of the final product.