Neem (Azadirachta indica) is a plant-derived extract or oil used in skincare for its antibacterial, antifungal, and anti-inflammatory properties, often applied to acne-prone or irritated skin. Its activity is attributed to compounds such as nimbidin, azadirachtin, and fatty acids.
| Reported effect | How often | Notes |
|---|---|---|
| Skin irritation or redness | Uncommon | More likely with concentrated neem oil or sensitive skin. |
| Allergic contact dermatitis | Rare | Sensitization reported in some individuals. |
| Dryness or stinging | Uncommon | Can occur with undiluted application. |
| Systemic toxicity from oral or excessive use | Very rare | Relevant to ingestion, not typical topical cosmetic use. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.