Aluminium hydroxide is an inorganic compound used in skincare primarily as an opacifying agent, white pigment coating, and absorbent. It also serves as a coating for pigments such as titanium dioxide and as a mild astringent in some formulations.
| Reported effect | How often | Notes |
|---|---|---|
Mild skin irritation | Rare | Occasional transient redness or stinging, typically in sensitive skin |
Allergic contact dermatitis | Very rare | Aluminium sensitization reported infrequently, more often with antiperspirant exposure |
Dryness | Rare | Possible due to mild absorbent/astringent properties |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.