Ingredient

Citronellol

A fragrance ingredient (a monoterpenoid found in rose oil, geranium and citronella) with a fresh rose-and-citrus scent, used to add fragrance (and as a component of insect-repellent citronella oil); it is one of the aroma substances EU cosmetics law requires to be named on the label because it can cause allergic reactions in some people.

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Temporarily de-puffs and brightens the look of tired skin and under-eyes.

Good to know

Fragrance allergen
One of the fragrance compounds the EU requires to be declared, because a minority of people react to it.

What it does

moderate evidence

Benefits

Adds a fresh rose/citrus scent note to a formula

Side effects

Can cause allergic contact dermatitis (redness, itch, rash) in fragrance-sensitised people
Oxidises on contact with air to form hydroperoxides and aldehydes that are more potent sensitisers, so older or air-exposed product can be more allergenic