Eugenol

This one smells like cloves.

What it does

A scent found in clove oil. It adds a warm, spicy smell.

One of the EU's listed fragrance allergens, so sensitive skin may react. Clovi flags it as fragrance.

Often found in: Deodorants, Toothpastes, Perfumes, Soaps

United States: No label rule yet. A 2022 law told the FDA to require fragrance allergen labels, but that rule isn't out. Source
EU and UK: Must be named on the label above 0.001% in leave-on and 0.01% in rinse-off products. Source
Canada: Must be named on the label above 0.001% in leave-on and 0.01% in rinse-off products (since April 2026). Source
Australia: Allowed up to 25%. Above that it's controlled (Schedule 6). Source

Clovi scans the barcode and checks every ingredient for you.