Hyaluronic Acid 1.5 DA is a high-molecular-weight hyaluronic acid cosmetic ingredient designed for hydration, moisture retention, skin conditioning and improved skin feel. In cosmetic raw-material specifications, a grade around 1.5 million Daltons (1.5 MDa) is commonly supplied as Sodium Hyaluronate. Commercial ingredient catalogs list high-molecular-weight Sodium Hyaluronate grades in the approximately 1.5–1.7 MDa range.
Its high molecular weight makes it particularly useful for creating a hydrated, smooth and supple skin feel and for forming a moisturizing film on the skin surface. It is widely used in premium serums, moisturizers, creams, lotions, masks and other facial and personal-care formulations.
INCI Name
Sodium Hyaluronate
Note: The exact INCI should be confirmed against the supplier’s TDS/COA because some products marketed as “Hyaluronic Acid” may use Hyaluronic Acid rather than Sodium Hyaluronate.
Common Names
- Hyaluronic Acid
- Sodium Hyaluronate
- Hyaluronic Acid 1.5 MDa
- Hyaluronic Acid 1.5 Million Dalton
- High Molecular Weight Hyaluronic Acid
- High Molecular Weight HA
- HMW Hyaluronic Acid
- HA 1.5 MDa
- Cosmetic Hyaluronic Acid
- Hyaluronate
Molecular Weight
Approximately 1.5 Million Daltons (1.5 MDa)
The exact molecular-weight specification should be taken from the manufacturer’s technical specification.
CAS Number
9067-32-7 — commonly associated with Sodium Hyaluronate.
Ingredient Type
- Humectant
- Skin Conditioning Agent
- Moisturizing Agent
- Film-Forming Agent
- Rheology/Viscosity Modifier
- High Molecular Weight Hyaluronic Acid
Physical Form
Typically supplied as a white to off-white powder for cosmetic formulation, although appearance can vary by supplier and grade.
Solubility
Water soluble / water dispersible, depending on grade and processing conditions.
High-molecular-weight hyaluronic acid should generally be dispersed carefully to achieve complete hydration and avoid lump formation.
Key Benefits
1. Intensive Moisturizing Support
Helps attract and retain water within the formulation and on the skin surface, providing a hydrated and comfortable skin feel.
2. Skin Conditioning
Helps leave skin feeling soft, smooth and supple after application.
3. Surface Hydration
The high molecular weight of approximately 1.5 MDa makes this type of HA particularly useful for surface-oriented hydration and film formation.
4. Plump & Smooth Appearance
Supports a temporarily smoother, more hydrated and plumper-looking appearance of the skin.
5. Moisture-Locking Film
Can form a lightweight moisturizing film over the skin, helping reduce the feeling of dryness.
6. Improved Product Texture
At suitable concentrations, high-molecular-weight Sodium Hyaluronate can also contribute to serum and gel viscosity and provide a characteristic smooth, cushiony sensory profile.
7. Premium Skincare Ingredient
Ideal for advanced hydration-focused formulations, including facial serums, moisturizers, masks and anti-ageing cosmetic concepts.
Applications
Skin Care
- Hydrating Face Serums
- Hyaluronic Acid Serums
- Moisturizing Creams
- Face Lotions
- Gel Creams
- Hydrating Gels
- Facial Masks
- Sheet Mask Serums
- Overnight Masks
- Eye Care Products
- After-Sun Products
- Premium Moisturizers
- Skin Conditioning Formulations
Body Care
- Body Lotions
- Body Creams
- Hand Creams
- Foot Creams
- Hydrating Body Serums
- After-Shower Moisturizers
Other Personal Care
- Hydrogel Formulations
- Cosmetic Gels
- Moisturizing Cleansers
- Hair & Scalp Conditioning Products
- Premium Personal Care Formulations
Recommended Usage
A typical cosmetic starting level for high-molecular-weight Sodium Hyaluronate is approximately:
0.05–0.5%
The optimum concentration depends on molecular weight, viscosity grade, purity, formulation type and desired sensory properties.
For highly viscous grades, lower concentrations may be sufficient. Always follow the supplier’s TDS for the exact recommended dosage.
How to Use
- Measure the required quantity of Hyaluronic Acid 1.5 MDa accurately.
- Pre-disperse the powder carefully to minimize lump formation.
- Add gradually to the water phase under continuous mixing.
- Allow sufficient hydration time.
- Continue mixing until the polymer is uniformly hydrated.
- Add other heat-sensitive ingredients according to the formulation process.
- Check final pH, viscosity, appearance and stability.
Tip: Pre-dispersion in glycerin or another suitable humectant can help reduce clumping during hydration.
Formulation Considerations
- Avoid adding the powder all at once to stagnant water.
- High-molecular-weight HA may significantly increase viscosity even at relatively low concentrations.
- Allow adequate hydration time before evaluating final viscosity.
- Excessive shear can affect the polymer structure depending on the grade.
- Evaluate compatibility with electrolytes, salts, surfactants and other polymers.
- Final pH and preservative compatibility should be evaluated in the finished formulation.
- Use the supplier’s recommended processing temperature and mixing conditions.
Compatibility
Hyaluronic Acid 1.5 MDa can be incorporated into formulations containing ingredients such as:
- Glycerin
- Propanediol
- Panthenol
- Niacinamide
- Vitamin C Derivatives
- Sodium PCA
- Betaine
- Aloe Vera
- Peptides
- Ceramides
- Botanical Extracts
- Allantoin
- Amino Acids
- Other Hyaluronic Acid Molecular Weights
Combining different molecular-weight grades can be useful when a formulation is designed to provide different hydration and sensory characteristics.
Technical Information
| Property | Information |
|---|---|
| Product Name | Hyaluronic Acid 1.5 DA |
| Recommended Technical Description | Hyaluronic Acid 1.5 MDa / High Molecular Weight |
| Typical INCI | Sodium Hyaluronate* |
| Molecular Weight | Approx. 1.5 Million Daltons |
| CAS No. | 9067-32-7* |
| Ingredient Type | Humectant / Skin Conditioning Agent |
| Physical Form | White to off-white powder* |
| Solubility | Water soluble/dispersible |
| Primary Function | Hydration & Moisture Retention |
| Secondary Function | Film Formation & Rheology Modification |
| Typical Usage | Approx. 0.05–0.5% |
| Applications | Skin Care & Personal Care |
| Suitable Products | Serums, creams, gels, lotions, masks |
| Grade | Cosmetic grade; supplier specification applies |
*Exact INCI, CAS, appearance, purity and molecular-weight range should be confirmed from the specific supplier’s TDS/COA.
Why Choose Hyaluronic Acid 1.5 MDa?
- High molecular weight hyaluronic acid technology
- Excellent ingredient for hydration-focused formulations
- Helps improve moisturized skin feel
- Supports smooth and supple-looking skin
- Useful for premium facial serums and moisturizers
- Can provide film-forming and viscosity benefits
- Suitable for a wide range of cosmetic formulations
- Compatible with many popular skincare actives
- Ideal for professional and DIY cosmetic formulation
Storage
Store in a cool, dry and well-ventilated area in a tightly sealed original container.
Protect from:
- Moisture
- Excessive humidity
- Direct sunlight
- Excessive heat
- Contamination
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