"Leaf" refers to plant leaf-derived extracts (e.g., green tea, neem, aloe) used in skincare for their antioxidant, soothing, and anti-inflammatory properties. The specific activity and tolerability depend heavily on the source plant and extraction method.
| Reported effect | How often | Notes |
|---|---|---|
| Contact irritation (redness, stinging) | Uncommon | More likely with potent or high-concentration botanical extracts on sensitive skin. |
| Allergic contact dermatitis | Uncommon | Plant-derived compounds are recognized sensitizers in some individuals. |
| Photosensitivity | Rare | Certain leaf extracts contain furocoumarins or other phototoxic compounds. |
| Acne or folliculitis flare | Rare | Possible with comedogenic carrier oils used in some extracts. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.