Active skincare ingredients
  • Gamma-Polyglutamic-Acid
  • Shaanxi Huatai Bio-Fine Chemical Co., Ltd. Products
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  • Shaanxi Huatai Bio-Fine Chemical Co., Ltd.

Gamma-Polyglutamic Acid

Gamma-Polyglutamic Acid is a natural, anionic biopolymer produced through the fermentation of Bacillus subtilis. It is celebrated as a super-humectant, capable of binding significantly more water than Hyaluronic Acid. Gamma-Polyglutamic Acid not only provides intensive, deep hydration but also uniquely enhances skin elasticity, inhibits the enzyme responsible for Hyaluronic Acid degradation, and improves the overall Skin Natural Moisturizing Factor (NMF) composition.

INCI Name

Polyglutamic Acid

CAS No.

25513-46-6

Source

Biotechnological Fermentation

Appearance

White to off-white powder or viscous solution

Core Function

Super-Humectant, Elasticity Enhancement, HA Degradation Inhibition, NMF Boost, Barrier Support

Direct Factory Supply

Source directly from manufacturer. Zero middlemen margin, guaranteed bulk competitive pricing.

Flexible OEM/ODM

Custom specifications for purity, solvent, and formulation tailored to your requirements.

Stable Supply Chain

Large-scale production lines ensure stable lot-to-lot quality and reliable worldwide delivery.

Strict QA & Certs

ISO, Halal, Kosher, and SC certified manufacturing with batch COA test reports.

1. Product Overview & Market Relevance

Gamma-Polyglutamic Acid represents a significant advance in moisturizing technology. Its higher molecular weight and unique gamma linkage enable it to form a protective, moisture-locking film on the surface while its smaller fragments penetrate to boost internal hydration mechanisms. It directly addresses the consumer desire for clinically superior, long-lasting hydration and visible anti-aging effects, positioning it as a premium alternative or powerful complement to Hyaluronic Acid.

2. Technical Highlights and Critical Parameters

2.1 Mechanism of Action

  • Water-Binding Capacity: Its molecular structure allows it to bind up to 5,000 times its weight in water, creating a powerful moisturizing reservoir.

  • Hyaluronidase Inhibition: Gamma-Polyglutamic Acid has been shown to inhibit Hyaluronidase, the enzyme that breaks down the skin’s natural Hyaluronic Acid, thereby preserving existing moisture.

  • NMF Synthesis: It stimulates the production of various NMF components (like UCA and Lactic Acid) in the skin, providing sustained internal hydration.

  • Skin Elasticity: Its film-forming property and deep hydration contribute to an immediate plumping effect, reducing the appearance of fine lines and enhancing skin firmness.

2.2 Standard Technical Specifications

ParameterSpecification (Example)
Molecular WeightVaries (Low to High Daltons, typically >100 kDa)
PurityStandardized concentration in aqueous solution (e.g., 5% to 10%)
Recommended Dosage0.05%-0.5% (as powder or 1%-5% of a 5% solution)
SolubilityHighly water soluble
StabilityExcellent stability across a broad pH range (4.0-7.0)
StorageCool, dark, sealed container

3. Market Positioning and Core Advantages

  • Highest Hydration Power: Clinically confirmed to outperform Hyaluronic Acid in water-binding capacity, providing a strong marketing edge.

  • Preserves Natural HA: Protects the skin’s endogenous Hyaluronic Acid, offering a true anti-aging, structural benefit beyond simple surface hydration.

  • Film-Forming Excellence: Creates a non-tacky, breathable film that prevents TEWL and immediately smooths skin texture.

  • Natural Fermentation Source: Appeals to the demand for biotechnologically produced actives with a clean, natural origin story.

4. Formulation Guidelines

  • Integration Phase: Gamma-Polyglutamic Acid is highly water soluble and should be slowly added to the aqueous phase with gentle stirring to prevent clumping and minimize viscosity issues.

  • Concentration: Due to its high viscosity and potency, it is effective at very low concentrations, typically 0.05% to 0.2% of the high-purity powder. Higher concentrations may yield overly sticky products.

  • Viscosity Control: Gamma-Polyglutamic Acid is a powerful thickener. Concentrations must be carefully managed, especially in low-viscosity serums.

  • Compatibility: Highly compatible with most humectants, Niacinamide, and Vitamin C derivatives.

5. Quality Assurance and Regulatory Confidence

Our quality and safety credentials include:

  • COSMOS (Natural and Organic Cosmetic Standard)

  • ISO 9001 Quality Management System

  • ISO 22000 Food Safety Management System

  • HALAL Certification

  • IQNET (The International Certification Network)

  • Technical Dossier (Certificate of Analysis – COA, Technical Data Sheet – TDS, Material Safety Data Sheet – MSDS)

6. Typical Applications

  • Ultra-Hydrating Serums & Essences: Products focusing on deep, lasting moisture and plumping.

  • Anti-Aging Treatments: Creams and lotions designed to improve elasticity and firmness.

  • Masks & Overnight Treatments: Intensive formulas requiring maximum water retention and barrier repair.

  • Primer/Makeup Bases: Used to create a smooth, hydrating base for foundation.

7. Scientific Evidence Summary

  • Comparative Hydration: Clinical studies demonstrate superior skin hydration maintenance compared to HA at the same concentration levels over a 24-hour period.

  • Hyaluronidase Activity: In-vitro data confirms a significant reduction in the activity of Hyaluronidase when treated with Gamma-Polyglutamic Acid.

  • Elasticity & Wrinkle Reduction: Subjective and objective clinical testing shows improvements in skin elasticity and reduction in the depth of fine lines.

8. Frequently Asked Questions (FAQ)

QuestionAnswer
What is Gamma Polyglutamic Acid and what are its primary benefits in skincare?Gamma Polyglutamic Acid (gamma-PGA) is a naturally derived biopolymer produced via microbial fermentation, renowned for its extraordinary moisture-retaining capacity—holding up to 5000 times its weight in water. It provides deep, long-lasting hydration, enhances skin elasticity, and boosts the natural moisturizing factor (NMF). Shaanxi Huatai manufactures high purity Gamma Polyglutamic Acid to help cosmetic brands develop advanced deep-hydrating and barrier-repair formulations.
What is the purity and appearance of your Gamma Polyglutamic Acid powder?Quality is our top priority at our manufacturing facility. Shaanxi Huatai supplies cosmetic grade Gamma Polyglutamic Acid with a guaranteed high purity standard. Our product appears as a fine white or off-white powder, ensuring maximum biological activity and safety for your high-end cosmetic lines.
Is your Gamma Polyglutamic Acid water soluble, and how should it be formulated?Yes, the Gamma Polyglutamic Acid manufactured by Shaanxi Huatai exhibits exceptional water solubility. It dissolves easily and completely in cold or warm water to form a clear, viscous solution, allowing you to effortlessly incorporate it into the aqueous phase of your cosmetic toners, serums, and lotions during processing.
What is the recommended usage rate for Gamma Polyglutamic Acid in cosmetic products?For daily hydrating serums and moisturizing lotions, the recommended usage rate typically ranges from 0.05 to 0.5 percent due to its high thickening efficiency and potency. For specialized intensive barrier repair treatments, it can be utilized up to 1.0 percent. The technical formulation experts at Shaanxi Huatai can provide precise dosage guidelines tailored to your project.
How does Gamma Polyglutamic Acid compare to Hyaluronic Acid in hydration performance?While Hyaluronic Acid is renowned for retaining moisture within the skin, Gamma-PGA offers even higher water-absorption capacity and actively inhibits the breakdown of natural hyaluronic acid in the skin while forming a breathable moisture-locking film. Shaanxi Huatai provides high purity active ingredients ideal for crafting superior moisturizing formulations.
Can Gamma Polyglutamic Acid be combined with other active ingredients like Hyaluronic Acid, Ceramides, or Peptides?Absolutely. Gamma Polyglutamic Acid works synergistically with a wide range of hydrating and barrier-restoring actives. The formulation team at Shaanxi Huatai frequently assists clients in combining our gamma-PGA with Hyaluronic Acid, Ceramides, or Niacinamide to create comprehensive, multi-pathway moisture and barrier-repair complexes.
Do you provide the Certificate of Analysis (COA) and MSDS for wholesale bulk orders?Absolute regulatory compliance and strict quality control are our core manufacturing standards. Shaanxi Huatai provides comprehensive, batch-specific documentation for every wholesale shipment, including the Certificate of Analysis (COA), Material Safety Data Sheet (MSDS), and detailed HPLC purity testing reports.
What is the Minimum Order Quantity (MOQ) and are testing samples available?To support independent cosmetic formulation labs and commercial manufacturing facilities alike, Shaanxi Huatai offers a highly accessible MOQ starting at just 1kg. We also gladly provide 10g to 50g free testing samples so your research team can thoroughly evaluate formulation compatibility before ordering in bulk.

 

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Huatai Bio provides a comprehensive portfolio of high-efficacy cosmetic active ingredients, empowering global brands to create next-generation skincare formulations for high-end skincare formulation needs.

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