About PGA
Polyglutamic acid (PGA) is a naturally occurring, biodegradable, non-toxic biopolymer produced through microbial fermentation. It is a water-soluble polypeptide composed of glutamic acid monomers. PGA exhibits excellent water-holding capacity, surpassing that of hyaluronic acid and other natural moisturizing factors. It is used in various applications, including cosmetics, pharmaceuticals, and food industries, primarily for its moisturizing, film-forming, and drug delivery properties.
Key Information
Compare All Forms
Compare different forms of PGA by bioavailability, conversion rates, and active ingredient content:
| Form | Tier | Steps |
PGA (mg) |
Bioavailability | Action |
|---|---|---|---|---|---|
| PGA (Polyglutamic Acid) | Tier 2 | 1 | — | Moderate bioavailability form. Reliable form that works well but requires 1-2 step conversions by the body. Good balance of cost and effectiveness. | View → |