Sodium Polyglutamate Crosspolymer is a crosslinked, sodium salt form of polyglutamic acid used as a moisture-binding humectant and film-forming agent in skincare. It helps attract and retain water at the skin surface and can improve the texture and hydration feel of formulations.
| Reported effect | How often | Notes |
|---|---|---|
| Mild transient irritation or stinging | Rare | Occasionally reported on sensitive or compromised skin; generally mild and short-lived. |
| Contact allergy / sensitization | Very rare | Allergic reactions are uncommon as it is considered low-sensitizing in available data. |
| Sticky or tacky skin feel | Uncommon | A cosmetic/sensory effect from film formation rather than a true adverse reaction, dose-dependent. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.