Cydonia Oblonga (quince) leaf extract is a plant-derived ingredient rich in polyphenols and flavonoids, used in skincare for antioxidant and soothing skin-conditioning properties. It is incorporated to help protect skin from oxidative stress and support a healthy skin barrier.
| Reported effect | How often | Notes |
|---|---|---|
| Contact irritation (mild redness or stinging) | Rare | Possible in sensitive individuals, generally mild and transient. |
| Allergic contact dermatitis | Very rare | Botanical extracts can occasionally sensitize susceptible individuals. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.