Description
Gamma-Polyglutamic Acid (γ-PGA), Cosmetic Grade
Polyglutamic acid (PGA) is a naturally occurring amino acid polymer. Gamma PGA can be widely used in cosmetics, food, medicine, agriculture, and water treatment.
MarkNature cosmetic grade polyglutamic acid produced by advanced fermentation and purification process. As an effective cosmetic ingredient, it is used in skincare formulations to improve moisture binding and retention and is commonly believed it works better than hyaluronic acid in some ways.
Specification:
CAS Number: 25513-46-6
Chemical Formula: [C5H9NO4]n
Molecular Weight: 5,000 Da
Solubility: Water soluble
Appearance: White to off-white powder
Assay: 92% min.
Transmittance: 95.0% min.
Loss on drying: 8.0% max.
PH(1% solution): 5.0~7.0
Heavy metals [Pb]: 15ppm max.