1,6-Octadien-3-ol, 3,7-dimethyl-
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Linalool is one of the most widely used fragrance materials globally, requiring EU allergen declaration but generally considered safe in controlled concentrations.
Linalool (3,7-dimethyl-1,6-octadien-3-ol) is a monoterpene tertiary alcohol and one of the most important fragrance materials worldwide. While not acutely toxic, it carries H317 (skin sensitization), H315, H319, H227 (combustible), H336, and H361 warnings. Linalool is subject to IFRA standards limiting use concentrations, and EU Regulation 1223/2009 requires its declaration as a fragrance allergen above 0.001% in leave-on products. Oxidized linalool shows significantly increased sensitization, requiring storage protection from air and light. At controlled concentrations, it remains widely used in both natural and synthetic fragrances.
Skin benefits
- One of the most versatile and widely used fragrance materials
- Fresh floral-citrus scent
- Good skin tolerance when properly stored
Known concerns
- H317 skin sensitizer - particularly when oxidized
- Must be declared as fragrance allergen in EU
- IFRA restrictions apply
- Oxidation products significantly increase sensitization risk
- Storage stability critical
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.