Skip to content

Skin Conditioning

PARTHENOLIDE

CAS 20554-84-1 Updated
30

Safety score · 0–100

Caution

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

Parthenolide — the active sesquiterpene lactone in feverfew (Tanacetum parthenium). A strong contact allergen; the EU recommends feverfew extracts in cosmetics be parthenolide-depleted.

Function

SKIN CONDITIONING

Skin benefits

  • Anti-inflammatory in vitro
  • Bioactive sesquiterpene

Known concerns

  • Strong contact allergen
  • Sesquiterpene-lactone sensitiser (T.R.U.E. test)
  • EU/IFRA require parthenolide-free feverfew
  • Atopic skin contraindication

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related skin conditionings

Check your shelf

Find PARTHENOLIDE in your products.

Scan any cosmetic product with LuxSense to see if it contains PARTHENOLIDE and get a full ingredient breakdown with safety scores.

This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.