INCI name

ETHYL BUTYLACETYLAMINOPROPIONATE

Ethyl butylacetylaminopropionate (IR3535)

A synthetic beta-alanine derivative, listed as a skin-conditioning and cleansing ingredient.

What it is

Ethyl butylacetylaminopropionate is ethyl N-acetyl-N-butyl-beta-alaninate, a synthetic derivative of the amino acid beta-alanine, best known under the name IR3535 as an insect repellent substance. CosIng lists it as a skin-conditioning agent and cleansing surfactant.

Where it is used

Appears on the ingredient lists of a small number of products.

Limits of interpretation

The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.

Functions

Skin conditioning
Maintaining the skin in good condition.
Surfactant – cleansing
Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).

EU regulation

This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

Products with this ingredient (1)

Check a full ingredient list