Linalool
What it is
A floral terpene alcohol (CAS 78-70-6) found in lavender and hundreds of plants.
In this product: Light floral fragrance note.
Dose & route, what actually matters
Fresh linalool is a weak sensitizer; its air-oxidation hydroperoxides are the potent allergens and are part of standard EU patch-test panels.
EUROPEAN UNION
Named-disclosure fragrance allergen (Annex III); reaffirmed by Reg. (EU) 2023/1545.
UNITED STATES
No individual disclosure required.
The evidence
Hydroperoxides of linalool are a recognized contact allergen; ~10% of contact-dermatitis patients reacted to limonene/linalool hydroperoxides, more often women and those over 40.
review · 2025 · source
California Prop 65: Not listed.
How to avoid it
Fragrance-free avoids it. Reactive or older skin is more likely to be sensitized.
Where it hides
Editorial analysis of publicly available regulatory and peer-reviewed sources. Not medical advice. We name our evidence and link it, including when an ingredient is fine.