Cydonia Oblonga (quince) seed extract is a plant-derived ingredient rich in mucilaginous polysaccharides that forms a hydrating, film-like layer on the skin. It is used in cosmetics primarily for its soothing, moisturizing, and skin-conditioning properties.
| Reported effect | How often | Notes |
|---|---|---|
| Allergic contact dermatitis | Rare | Possible in individuals sensitive to plant-derived botanical extracts; presents as redness or itching. |
| Mild skin irritation | Rare | Occasional transient irritation reported, often related to other formulation components. |
| Contact urticaria | Very rare | Isolated hypersensitivity reactions in predisposed individuals. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.