INCI name: Polyglutamic Acid  
General Information:

PGA is produced by a unique technology to ferment. It was first found in natto microbial fermentation. The structure is that glutamic acid combine with ɑ-amino group and γ -Carboxyl group. The test result of TEWL shows that PGA is a long-lasting moisturizer. It has high molecular weight. The molecules involve each other and form a wide molecular network. The unique structure makes it has a smooth film， enhance skin texture, enhance resistance to adverse environments. It is a white to yellow powder and widely used in lotion, mask, spray, moisturizing gel, cream, gel, sunscreen, liquid foundation, cream and conditioner.

Specification:

Item	Specification
Appearance (25℃)	White to off-white powder
Assay (HPLC) min	90
Loss on drying (%) max	10
Molecular Weight (KD) min	800
pH value (10g/L, 25℃)	5.0-8.0
Heavy metals (Pb, mg/kg) max	20
Total plate count (CFU/g) max	1000

Benefits:
⚫ Long-lasting moisturizing effect that helps skin resist dryness
⚫ Improving elasticity and smoothness of skin
⚫ Inhibiting melanin of skin
⚫ Maintaining healthy pH of skin
⚫ Enabling skin to absorb nutrients by slow-releasing transport system

Application：
⚫ Cream or Lotion
⚫ Tonic
⚫ Facial mask
⚫ Moisturizing gel
⚫ Sunscreen
⚫ Liquid foundation

Dosage:
Typically used at a level of 0.05-0.5%

Storage & Handling：
Standard Packing: 1kg/bag, 20kg/drum
Storage: keep in cool, dry, ventilated and lightless place