What is Oligo Sodium Hyaluronate

Oligo sodium hyaluronate, a derivative of hyaluronic acid (HA), is formed by degrading high-molecular-weight hyaluronic acid into smaller molecular fragments through methods like enzymatic hydrolysis, chemical degradation, or microbial fermentation.  Oligo sodium hyaluronate retains the biological activity of hyaluronic acid while exhibiting unique properties due to its reduced molecular weight.    Below is a detailed breakdown:

Oligo Sodium Hyaluronate Core Concept

Nature: A low-molecular-weight form of hyaluronic acid, with a molecular weight typically ranging from several thousand to tens of thousands of daltons (compared to the millions of daltons for ordinary hyaluronic acid).

Structure: Maintains the basic sugar chain structure of hyaluronic acid (composed of repeating glucuronic acid and N-acetylglucosamine units), but with shorter molecular chains.

Oligo Sodium Hyaluronate Preparation Methods

Enzymatic Hydrolysis: Uses hyaluronidase to cut high-molecular-weight hyaluronic acid, offering mild reaction conditions and high control over molecular weight.

Chemical Degradation: Breaks glycosidic bonds using acids, bases, or oxidants, though this may slightly affect the structure.

Microbial Fermentation: Directly synthesizes low-molecular-weight hyaluronic acid by regulating fermentation conditions, yielding high-purity products.

Oligo Sodium Hyaluronate Key Properties

High Permeability: Smaller molecules allow penetration through the skin’s stratum corneum to act deep within the skin, unlike ordinary HA, which mainly forms a moisturizing film on the surface.

Strong Biological Activity: Participates in cell signaling, promotes collagen synthesis, and regulates inflammation.    For example, it stimulates fibroblast proliferation during skin repair.

Excellent Solubility: More water-soluble than high-molecular-weight HA, facilitating application in various formulations.

High Stability: Less prone to enzymatic degradation, ensuring prolonged effectiveness.

Oligo Sodium Hyaluronate  Application Fields

Cosmetics

Moisturization: Locks water deep in the skin, improves dryness, and enhances softness and elasticity (e.g., in serums, creams, and masks).

Anti-aging & Repair: Promotes skin cell metabolism, reduces wrinkles, and repairs damaged skin (common in anti-aging products).

Medicine

Joint Health: Oral or injectable forms improve joint lubrication, relieve osteoarthritis, and supplement joint cavity HA.

Post-surgical Repair: Accelerates wound healing, reduces scarring, and promotes tissue regeneration.

Ophthalmology: Serves as an auxiliary material in eye surgeries (e.g., maintaining anterior chamber depth during cataract surgery).

Food Industry

Functional Additive: Absorbed orally to exert moisturizing and antioxidant effects, added to beverages and health products.

Other Fields: Used as a plant growth regulator in agriculture or as a lubricant/coating ingredient in industry.

Comparison with Ordinary Sodium Hyaluronate

Oligo Sodium Hyaluronate Safety

Oligo Sodium Hyaluronate is generally safe, as it naturally occurs in human tissues with low toxicity and irritation.

However, in cosmetics or pharmaceuticals, ensure it meets purity standards and undergoes strict manufacturing processes to avoid impurities.

With its unique small-molecule properties, oligo sodium hyaluronate is increasingly applied in health and beauty fields. Further research may uncover more potential functions in the future.