Berberis Vulgaris (barberry) root extract is a plant-derived ingredient rich in the alkaloid berberine, used in skincare for its antioxidant, anti-inflammatory, and antimicrobial properties. It is studied for acne, redness, and hyperpigmentation support.
| Reported effect | How often | Notes |
|---|---|---|
Skin irritation or redness | Uncommon | Mild contact irritation possible, especially at higher concentrations or on sensitive skin. |
Allergic contact dermatitis | Rare | Sensitization to botanical alkaloids can occur in predisposed individuals. |
Photosensitivity | Rare | Some plant alkaloids may theoretically increase sun sensitivity; data limited. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.