Product Overview

Polyglutamic Acid is a water-soluble biopolymer amino acid used as a humectant for skin hydration and moisture retention in cosmetic formulations.

Technical Specifications

Parameter Group	Technical Parameter	Specification / Value
Physical & Chemical	Appearance / Odor	White to off-white powder or granules; odorless to mild
	Purity (dry basis)	≥92.0%
	PH (1% solution, 25°C)	6.5
	Loss on Drying	6.0%
	Residue on Ignition	11.0%
	Solubility	Water soluble, ethanol insoluble
Molecular Weight & Viscosity	Grade	HMW / LMW
	Molecular Weight	HMW approx. 1,500 kDa / LMW approx. 50 kDa
	Viscosity (1% solution, 25°C)	HMW approx. 400 mPa·s / LMW approx. 5 mPa·s
Impurities	Free Glutamic Acid	0.4%
	Heavy Metals (Total)	≤10 ppm
	Pb / As / Cd / Hg	Within applicable cosmetic limits
Microbiological	Total Plate Count	≤100 cfu/g
	Yeast & Mold	≤20 cfu/g
	Pathogens	E. coli / S. aureus / P. aeruginosa: Negative

Fermentation Strain

Produced via Bacillus subtilis fermentation, non-animal origin.

Production Capacity

Annual capacity is 500 metric tons, supporting stable supply and batch consistency.

Facility Compliance

Manufactured in GMP-compliant facilities with automated bioreactor monitoring.

Process Traceability

Traceability covers raw material sourcing through separation and purification.

Documentation & Status	Regulatory & Quality Efficacy
ISO 9001	Site quality management under ISO 9001 system.
ISO 22716	Cosmetic GMP safety compliance.
COA	Batch-specific specification clearance.
Global Cosmetic Compliance	Meets commonly referenced cosmetic ingredient safety requirements.
Third-Party Audit Reports	Independent operational standard verification.

Purity Control: HPLC testing shows Polyglutamic Acid purity at 92%–96%.

Heavy Metal Limits: ICP-MS testing shows total heavy metals below 10 ppm per batch.

Residual Monomers: HPLC analysis shows free glutamic acid below 0.5%.

Molecular Distribution: GPC analysis verifies a polydispersity index below the standard 1.3 threshold.

Microbiological Specification: Microbial testing shows total plate count below 100 cfu/g.

Application Field	Typical Use
Topical Cosmetics	Used in serums, creams, and hydrating essences.
Nutricosmetics	Integrated into oral beauty supplements and functional drinks.
Advanced Wound Care	Incorporated into medical dressings and soothing hydrogels.
Drug Delivery Systems	Used as a biodegradable, water-soluble carrier matrix.
Agricultural Sourcing	Applied as a crop soil conditioner and coating.

Standard Packaging: Dispatched in 1 kg aluminum foil bags or 25 kg moisture-proof, light-shielding fiber drums.

Minimum Order Quantity: From 1 kg samples to full container orders.

Storage Requirements: Keep stored in tightly sealed containers within cool, dry environments away from direct light.

Product Shelf Life: 24 months from the manufacturing date when stored under recommended conditions.

Logistics Distribution: Shipped via temperature-controlled freight for transit stability.

Q: Can you provide regulatory support documentation for European cosmetic compliance registrations?

A: Yes, REACH dossiers and SDS are available for EU compliance.

Q: How does the product handle long-distance maritime transit without degraded active performance?

A: Products are packed with double-layer vacuum sealing inside palletized, temperature-controlled containers to ensure stability.

Q: What specific botanical or synthetic nutrients feed the fermentation process?

A: The fermentation medium is non-GMO, plant-derived, without animal peptones or extracts.