Althaea officinalis (marshmallow) root extract is a mucilage-rich botanical used in skincare for its soothing, hydrating, and skin-conditioning properties. It is valued for forming a protective, moisture-retaining film and calming irritated or sensitive skin.
| Reported effect | How often | Notes |
|---|---|---|
| Contact allergic reaction (dermatitis) | Rare | Possible in individuals sensitized to the plant or related Malvaceae species. |
| Skin irritation or redness | Rare | Generally well tolerated; mild irritation is uncommon and often formulation-related. |
| Contact urticaria | Very rare | Isolated potential for hives in highly sensitive individuals. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.