Calcium chloride is an inorganic salt used in skincare primarily to adjust viscosity, act as a mild astringent, and serve as a source of calcium ions in formulations. It is generally considered a functional/formulation ingredient rather than a therapeutic active.
| Reported effect | How often | Notes |
|---|---|---|
Skin irritation | Uncommon | Mild redness or stinging can occur, particularly at higher concentrations or on compromised skin. |
Dryness | Uncommon | Its astringent properties may contribute to a drying sensation. |
Allergic contact dermatitis | Rare | Sensitization to calcium chloride is uncommon but has been reported. |
Chemical burn | Very rare | Concentrated solutions can be corrosive, though typical cosmetic levels are low. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.