fragrance
TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Also called grapefruit mercaptan, this thiol gives an intense citrus aroma and is used at trace levels in perfumes. Strong odor and reactive sulfur group mean careful dosing matters.
Skin benefits
- Powerful grapefruit-like citrus odor
- Effective at very low concentrations
- Adds bright top notes to fragrance accords
- Naturally found in grapefruit
Known concerns
- Sulfur thiol compounds can be sensitizing
- Strong odor with off-notes at higher levels
- Limited IFRA-specific guidance located
- Possible aquatic toxicity typical of thiols
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related fragrances
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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.