PEG-40 Hydrogenated Castor Oil PCA Isostearate

AKA “Polyethylene Glycol 40 Hydrogenated Castor Oil PCA Isostearate”

Carrier Oil

Ingredient Facts

Peg-40 hydrogenated castor oil pca isostearate

AKA: Polyethylene Glycol 40 Hydrogenated Castor Oil PCA Isostearate

Carrier Oil · Skin Conditioning · EWG: 4

Plant-Derived

Skin Conditioner

Plant Oil

Not Clean

Castor oil (Ricinus communis), hydrogenated, ethoxylated, diesters with isooctadecanoic acid and 2-pyrrolidinone-5-carboxylic acid (40 mol EO average molar ratio)

Family

Euphorbiaceae (Spurge family)

Plant Part

Seed

CAS #

61788-85-0

Form

Oil

See origin →

Functions

Skin Conditioning

A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.

Locks in moisture

Traditional Use

A modern synthetic emulsifier developed in the late 20th century combining polyethylene glycol, hydrogenated castor oil, and isostearic acid. Formulated to enhance emulsification and conditioning properties in cosmetics.