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Citronellol

AllowedReviewed September 18, 2026

A rose-scented alcohol that occurs naturally in geranium, rose and citronella oils, and is also made synthetically.

What it does
Scent
Our take
One of the fragrance components the EU requires to be declared by name above a threshold, which is why it appears on labels of products scented only with essential oils. Declaring it is a transparency requirement, not a warning. A known contact allergen for a small number of people, so worth knowing if you react to scented products.
Scope
A label cannot tell you whether this was extracted from a plant or built in a lab, because the molecule is identical either way. Seeing it named is a disclosure rather than a warning: it is what an honestly labelled, essential-oil-scented product looks like, and the EU requires it to be named precisely so that the minority of people who react to it can avoid it.

What we read

  • Added from the September 2026 core sweep

Every other ingredient, with the same treatment.

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