Sodium Hyaluronate (Hyaluronic Acid) HMW

Sodium Hyaluronate (High Molecular Weight) 

Sodium Hyaluronate (High Molecular Weight) is the sodium salt of hyaluronic acid, a naturally occurring polysaccharide found in human skin and connective tissue. Cosmetic-grade Sodium Hyaluronate is produced through controlled biofermentation processes, followed by purification and neutralization to create a stable, water-soluble material with a high molecular weight profile. This production method does not involve ethoxylation, sulfation, or petrochemical modification, supporting its use in clean and modern cosmetic formulations.

From a formulation standpoint, high molecular weight Sodium Hyaluronate functions primarily as a surface-level humectant and film-forming agent. Due to its larger molecular size, it remains on the skin’s surface rather than penetrating deeply, where it binds water and forms a lightweight moisture-retaining film. This helps improve immediate skin hydration, reduce transepidermal water loss, and enhance skin smoothness. It integrates easily into water-based systems and emulsions, contributing to viscosity and sensory refinement without tackiness when properly formulated.

In finished products, Sodium Hyaluronate (High Molecular Weight) delivers instant hydration and a soft, plumping skin feel. It is particularly valued for providing immediate surface moisturization and improving the appearance of dryness and texture. It is commonly used in serums, gels, lotions, creams, masks, toners, and after-sun products where visible hydration and skin comfort are key performance goals. Its performance is influenced by concentration, hydration method, and the presence of complementary humectants.

From a clean standards and safety perspective, Sodium Hyaluronate has a long history of safe cosmetic use and broad acceptance across global regulatory frameworks. It is biodegradable, non-irritating, and suitable for both leave-on and rinse-off applications. Its biofermentation-derived origin and excellent skin compatibility support its inclusion in ingredient offerings carefully selected by Suncoast PCP for dependable cosmetic formulation performance.

Suncoast PCP carefully selects Sodium Hyaluronate (High Molecular Weight) based on molecular consistency, hydration performance, and formulation versatility, ensuring reliable results in skincare formulations focused on surface hydration and skin comfort while aligning with clean and modern formulation standards.

Ingredient Identification

INCI Name: Sodium Hyaluronate
CAS Number: 9067-32-7

Physical & Technical Properties

Appearance: White to off-white powder
Odor: Odorless
Solubility: Soluble in water; insoluble in oils
Molecular Weight: High molecular weight grade
Functional Role: Humectant, film-forming agent, viscosity modifier

Typical Usage Levels (Skincare Applications)

Serums and Gels: 0.1–0.5%
Lotions and Creams: 0.05–0.3%
Toners and Essences: 0.05–0.2%
Masks and After-Sun Products: 0.1–0.5%

Actual usage levels vary depending on hydration goals, product format, and desired sensory profile.

DIY Education and Formulation Guidance

For DIY formulators, Sodium Hyaluronate (High Molecular Weight) should be slowly dispersed into water with gentle mixing to prevent clumping. Pre-hydration is recommended, allowing sufficient time for full hydration and viscosity development. It is typically added to the water phase or incorporated during cool-down in emulsified systems.

High molecular weight Sodium Hyaluronate pairs well with lower molecular weight humectants such as glycerin or sodium PCA to create layered hydration systems that balance immediate surface moisture with longer-term skin comfort.

Formulation Compatibility & Common Combinations

Sodium Hyaluronate (High Molecular Weight) is compatible with most water-based cosmetic ingredients, including humectants, botanical extracts, polymers, preservatives, and emulsifier systems. It is often combined with panthenol, aloe, glycerin, and niacinamide to enhance overall hydration performance. Compatibility testing is recommended when used alongside high electrolyte systems.

Shelf Life, Storage, and Packaging

Shelf Life: Typically 24–36 months when stored properly
Storage Conditions: Store in a cool, dry environment away from moisture
Packaging Recommendations: Sealed foil-lined bags or airtight containers
Handling Notes: Protect from humidity; reseal tightly after use

Regulatory & Safety Notes

Regulatory Status: Approved for cosmetic use globally, including the United States and European Union
California Proposition 65: Not listed
EWG Context: Generally categorized as low hazard based on available data
Irritation and Sensitization: Non-irritating and well tolerated for topical cosmetic use
Clean Beauty Compatibility: Biofermentation-derived, biodegradable, and compatible with clean, natural-leaning, and transparency-focused formulation standards