Paullinia Cupana (guarana) fruit extract is derived from the seeds of the guarana plant and is rich in caffeine, tannins, and polyphenols. In cosmetics it is used for its antioxidant, vasoconstrictive, and skin-conditioning properties, often in eye, anti-cellulite, and energizing formulations.
| Reported effect | How often | Notes |
|---|---|---|
Skin irritation | Uncommon | Mild redness or stinging possible, particularly on sensitive skin or at higher concentrations. |
Allergic contact dermatitis | Rare | Sensitization to plant-derived polyphenols or tannins has been occasionally reported. |
Dryness or tightness | Rare | Tannin content may have an astringent effect leading to local dryness. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.