Neem (Azadirachta indica) extract or oil is a plant-derived ingredient used in skincare for its antibacterial, antifungal, and anti-inflammatory properties, often included in formulations targeting acne, irritation, and minor skin infections. It contains active compounds such as nimbidin, azadirachtin, and fatty acids.
| Reported effect | How often | Notes |
|---|---|---|
| Contact dermatitis / skin irritation | Uncommon | Redness, itching, or stinging, more likely with undiluted neem oil |
| Allergic contact sensitization | Rare | Some individuals develop hypersensitivity reactions on repeated exposure |
| Dryness or scaling | Rare | Possible with prolonged or concentrated topical use |
| Systemic toxicity from ingestion | Very rare | Reported with oral intake, not topical use; relevant safety note only |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.