antidandruff preservative
1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon and its monoethanolamine salt
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Piroctone olamine is a well-studied antidandruff and antifungal preservative authorised in the EU at limited concentrations. Effective against Malassezia while generally well tolerated on skin.
Skin benefits
- Effective antidandruff and antifungal active
- Active against Malassezia yeasts at low concentrations
- Less irritating alternative to older antidandruff agents
- Authorised in EU cosmetics under Annex V at up to 1% in rinse-off
Known concerns
- Limited use levels imposed by EU cosmetics regulation
- Can cause mild scalp or skin irritation in sensitive users
- Aquatic toxicity concerns for environmental discharge
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.