PEG-40 Hydrogenated Castor Oil
Cleanses and foams.
In the PEGs group
What it is
Castor oil that has been modified in a lab and joined to polyethylene glycol. One of the PEGs, a family of lab-made ingredients.
A surfactant that helps oils, such as fragrance oils, blend into water-based formulas.
What it does in a formula
Cleanses and foamsOfficial EU function: Surfactant - cleansing
Helps oil and water mixOfficial EU function: Surfactant - emulsifying
Why some people watch for it
PEGs
Some people avoid PEG compounds as a personal preference, for example when they choose products sold as natural.