Sterol lipid (skin barrier support)
LANOSTEROL
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A naturally occurring triterpenoid alcohol once isolated from wool fat and now mostly fermentation-derived. It is used as a barrier-supporting lipid in moisturizers, balms, and hair conditioners.
Skin benefits
- Skin-identical triterpenoid alcohol that supports the lipid barrier
- Emollient and conditioning effects similar to cholesterol
- Stable across cosmetic pH ranges and compatible with most formulas
- CIR-style review of related esters supports safety in cosmetics
Known concerns
- Rare reports of mild irritation or sterol allergy
- Possible pore-clogging potential in acne-prone skin
- Sourcing from lanolin can be an issue for vegan formulations
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.