INCI · humectant · CIR review pending · used in 1 products
Poly Glutamic Acid
Polyglutamic Acid (PGA) is a natural, high-molecular weight amino acid polymer composed of repeated glutamic acid subunits (CAS #: 25513-46-6). It is a film-forming polymer that improves both the moisture binding and retention properties of the skin. According to CosIng, its official function is skin conditioning.
Evidence level
weakEWG score
—Comedogenic
—Category
humectant● Benefits
Polyglutamic Acid is claimed to have strong skin hydrating properties, reportedly surpassing Hyaluronic Acid in moisture retention. It works by forming a film on the skin surface that enhances both moisture binding and retention.
hydratingbarrier-supportfilm-forming
● Cautions
