Piroctone olamine (octopirox) is an antifungal and antimicrobial active commonly used in shampoos and scalp treatments to reduce dandruff and seborrheic dermatitis by inhibiting Malassezia yeast. It is also used as a preservative-boosting and antimicrobial ingredient in some cosmetic formulations.
| Reported effect | How often | Notes |
|---|---|---|
Scalp or skin irritation | Uncommon | Mild itching, redness or burning sensation, usually transient. |
Dryness or scaling | Uncommon | Can occur with frequent or prolonged use. |
Allergic contact dermatitis | Rare | Sensitization reported but considered infrequent. |
Eye irritation | Rare | Stinging if product contacts the eyes during rinsing. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.