Hyaluronic Acid with a high molecular weight grade at approximately 1.5 million Daltons, designed to sit more on the skin surface and form a moisture-binding film.
It supports a smoother, more cushioned skin feel and helps reduce the look of dehydration lines caused by dryness.
HMW HA is especially loved in soothing serums, hydrating gels, toners, and barrier-support creams where comfort is the priority.
Because it builds viscosity and can feel “stringy” if overused, it performs best at low use levels and with proper hydration time.
FEATURES
- Surface hydration film – moisture-binding layer improves comfort and softness.
- Plumper feel – supports a smoother, more cushioned skin texture.
- Soothing profile – great for barrier-support and sensitive skin concepts.
- Viscosity builder – adds body to water-based serums and gels at low levels.
BEST FOR
- Hydrating serums
- Soothing gels
- Toners
- Barrier-support creams
- After-sun gels
- Hydration boosters
FORMULATION GUIDELINES
| INCI | Sodium Hyaluronate |
|---|---|
| Type | Humectant polymer / film-former |
| Molecular Weight | High Molecular Weight (HMW) ~1.5 million Daltons |
| Solubility | Water dispersible (hydrates in water) |
| Use Rate | 0.05–0.30% typical. 0.10–0.20% is a strong everyday range for comfortable hydration without stringiness. |
| Best Phase | Water phase / cool down (after full hydration) |
| pH Compatibility | We recommend finished product pH 4.5–7.0 for best long-term stability and comfort. |
| Temperature Tolerance | We recommend adding below 40°C. Avoid high heat and aggressive shear once hydrated. |
| Pro Tip | For clump-free dispersion, pre-wet sodium hyaluronate in glycerin or propanediol, then add slowly into water with steady mixing. Allow 1–4 hours for full hydration (or overnight for maximum smoothness), then adjust viscosity and pH. If the serum feels stringy, reduce the HA level and improve slip with a polymer like HEC/HPMC or add a light humectant system for balance. |
| Appearance | White to off-white powder |
| Stability Notes | Can lose viscosity with very high salt, strong acids, or over-shearing. Validate your full system and packaging with stability testing. |
| Storage | Keep sealed, cool and dry. Protect from humidity. |
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