Sodium hyaluronate is the sodium salt of hyaluronic acid, a glycosaminoglycan that binds and retains water in the skin. It is widely used in skincare to improve surface hydration and temporarily plump the skin's appearance.
| Reported effect | How often | Notes |
|---|---|---|
| Mild transient redness or irritation | Rare | Usually related to other formulation components rather than sodium hyaluronate itself. |
| Allergic contact dermatitis | Very rare | Isolated case reports; sodium hyaluronate is generally considered low-risk for sensitization. |
| Stinging on application to compromised skin | Uncommon | May occur on broken or very dry skin, often from accompanying ingredients. |
| Temporary skin tightness or dryness | Rare | In low-humidity environments, humectants can draw moisture from skin if not sealed with an occlusive. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.