Castanea Sativa (Chestnut) Leaf Extract is a botanical extract rich in polyphenols, tannins, and flavonoids used in skincare for its antioxidant and soothing properties. It may help protect skin from oxidative stress and support a calming effect on the skin.
| Reported effect | How often | Notes |
|---|---|---|
Contact dermatitis / skin irritation | Rare | Possible in sensitive individuals due to botanical compounds. |
Allergic sensitization | Rare | Tannins and plant phenolics can occasionally trigger allergic reactions. |
Redness or mild stinging | Very rare | Transient and typically resolves after discontinuation. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.