DIHYDROLANOSTEROL
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A saturated, hydrogenated form of lanosterol — works as a skin-conditioning emollient similar to lanosterol but more chemically stable due to its saturated sterol ring structure.
Dihydrolanosterol (also called lanostanol) is the saturated analogue of lanosterol, lacking the double bonds in the lanostane tetracyclic ring system. It is obtained by hydrogenation of lanosterol. Like other sterols, it functions as a skin-conditioning agent and emulsifier in cosmetic products. It is well tolerated on skin, has a favorable safety profile, and is not restricted or banned in any major regulatory jurisdiction.
Skin benefits
- Skin-identical emollient — reinforces barrier function
- Stable saturated sterol — good for sensitive skin formulations
Known concerns
- Minor: derived from lanolin, potential for lanolin allergy in sensitized individuals
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 — always read the physical product label and consult a healthcare professional for personal concerns.