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Skin Conditioning

USNEA LONGISSIMA/AQUILARIA AGALLOCHA STEM EXTRACT

55

Safety score · 0–100

Moderate

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

Old-man's-beard lichen plus agarwood stem — antimicrobial and aromatic but the lichen carries the usnic-acid sensitizer load and agarwood is a CITES-protected species.

Function

HUMECTANTSKIN CONDITIONING

Skin benefits

  • Usnic acid offers antimicrobial action
  • Aquilaria adds aromatic resins
  • Traditional medicinal use

Known concerns

  • Usnic acid is a known photoallergen and contact sensitizer
  • EU IFRA limits for atranol/chloroatranol in oakmoss-class lichen extracts
  • Aquilaria (agarwood) is CITES-listed and often unsustainably harvested
  • Limited cosmetic-specific safety review

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