Aesculus Hippocastanum (Horsechestnut) Extract is a plant-derived ingredient rich in aescin (escin) and flavonoids, used in skincare for its anti-inflammatory, antioxidant, and capillary-strengthening properties. It is commonly included in formulations targeting redness, puffiness, and the appearance of fragile or dilated blood vessels.
| Reported effect | How often | Notes |
|---|---|---|
Allergic contact dermatitis | Rare | Localized redness, itching, or rash in sensitized individuals. |
Skin irritation | Uncommon | Mild stinging or irritation, more likely at higher concentrations or on compromised skin. |
Contact urticaria | Very rare | Hives or wheal reaction reported in isolated cases of hypersensitivity. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.