Ammonium Polyacrylate is a synthetic polymer used in cosmetic formulations primarily as a thickening agent, emulsion stabilizer, and film former to improve texture and viscosity. It is considered a formulation aid rather than a treatment active.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation | Rare | Occasional transient redness or stinging, typically in sensitive skin or at higher concentrations. |
| Allergic contact dermatitis | Very rare | Isolated hypersensitivity reactions reported; uncommon for this polymer class. |
| Eye irritation | Rare | Possible mild irritation on accidental ocular contact. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.