METHOXYHEXANETHIOL
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A sulphur-containing methoxy thiol fragrance compound with a complex aromatic profile including notes of grapefruit and tropical fruits. Limited toxicological data; used at very low concentrations in fragrances.
Methoxyhexanethiol is a thioether bearing a methoxy group and a mercaptan moiety, contributing a distinctive sulphurous-fruity character to fragrance compositions. Due to the limited toxicological profile available, its use in cosmetic products is restricted to low concentrations in rinse-off products primarily. It is not listed under EU restriction annexes but falls under IFRA guidelines for sulphur-containing fragrance materials.
Known concerns
- Limited comprehensive toxicological safety data
- Sulphur-containing compounds may cause sensitisation
- Restricted to low concentrations in rinse-off products by IFRA
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.