Ilex Guayusa Leaf Extract is derived from an Amazonian holly plant and is rich in caffeine, chlorogenic acids, and polyphenols. In skincare it is used primarily for its antioxidant and protective properties against free radical and environmental damage.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation | Rare | Occasional transient redness or stinging, more likely on sensitive skin. |
| Allergic contact dermatitis | Very rare | Possible sensitization to plant-derived polyphenols or other botanical constituents. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.