Lithothamnion Calcareum Extract is derived from calcified red algae and is rich in calcium, magnesium, and trace minerals. In skincare it functions as a mineralizing, soothing, and lightly buffering conditioning agent.
| Reported effect | How often | Notes |
|---|---|---|
Mild skin irritation or transient redness | Rare | Generally well tolerated; irritation more likely in sensitive skin or high concentrations. |
Allergic contact dermatitis | Very rare | Hypersensitivity reactions to marine/algae-derived ingredients are uncommon but possible. |
Mild stinging on compromised skin barrier | Rare | Possible on broken or irritated skin due to mineral content. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.