Skin Conditioning
USNEA LONGISSIMA/AQUILARIA AGALLOCHA STEM EXTRACT
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
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
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 CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related skin conditionings
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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.