Vitis Vinifera (grape) leaf extract is a plant-derived ingredient rich in polyphenols, flavonoids, and anthocyanins, valued in topical formulations for its antioxidant and anti-inflammatory properties. It is also studied for supporting capillary integrity and reducing oxidative stress in the skin.
| Reported effect | How often | Notes |
|---|---|---|
| Contact irritation (redness, mild stinging) | Uncommon | Generally well tolerated; irritation more likely in sensitive skin or at higher concentrations. |
| Allergic contact dermatitis | Rare | Botanical extracts can occasionally sensitize predisposed individuals. |
| Photosensitivity reactions | Very rare | Not a typical effect; isolated reports exist for plant-based polyphenol extracts. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.