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Skin Conditioning

PARTHENIUM ARGENTATUM BARK EXTRACT

Updated
55

Safety score · 0–100

Moderate

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

About

Bark extract of guayule (Mexican rubber plant). Carries antioxidant guayulins. Documented as a strong contact allergen — guayulin A in particular can trigger dermatitis.

Function

SKIN CONDITIONING

Skin benefits

  • Antibacterial guayule actives
  • Antioxidant resin compounds
  • Plant-based skin regeneration

Known concerns

  • Contains guayulin A — potent contact allergen
  • Multiple guayulins flagged sensitisers (B/C/D)
  • Recommended <20 µM for keratinocyte safety
  • Strong allergen risk

References

EU

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 — always read the physical product label and consult a healthcare professional for personal concerns.