Psidium Guajava (guava) Leaf Extract is a botanical extract rich in polyphenols, flavonoids (quercetin), and tannins used in skincare for its antioxidant, anti-inflammatory, and astringent properties. It is sometimes incorporated for sebum-regulating and skin-conditioning effects.
| Reported effect | How often | Notes |
|---|---|---|
Contact irritation | Uncommon | Mild redness or stinging possible, often related to tannin content or concentration. |
Allergic contact dermatitis | Rare | Sensitization to plant-derived compounds in predisposed individuals. |
Skin dryness/tightness | Rare | Astringent tannins may cause a drying sensation in some users. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.