Citrus paradisi (grapefruit) extract is derived from the fruit and is used in skincare for its antioxidant, brightening, and astringent properties owing to vitamin C, flavonoids, and other polyphenols. It is most often included as a botanical additive rather than a primary therapeutic active.
| Reported effect | How often | Notes |
|---|---|---|
Contact irritation | Uncommon | Mild stinging or redness, more likely with high concentrations or on sensitive skin. |
Allergic contact dermatitis | Rare | Sensitization to citrus components such as limonene or linalool can occur. |
Phototoxicity/photosensitivity | Rare | Citrus-derived furocoumarins may increase UV sensitivity, though fruit extracts contain less than peel-derived oils. |
Pigmentation changes | Very rare | Phytophotodermatitis with subsequent hyperpigmentation reported mainly with potent citrus oils and sun exposure. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.