Ingredient · Updated

Isoeugenol

Neutral in 1 Flagged in 13

Found in 14 productsSee all

What is Isoeugenol?

Isoeugenol is a chemical compound naturally found in certain essential oils, including clove and nutmeg oils. It is synthetically produced for use in various applications.

In the fragrance industry, isoeugenol is prized for its spicy, clove-like aroma and is used to impart a warm scent in perfumes and other fragranced products. Some studies have raised concerns about skin sensitivity and allergic reactions at higher concentrations.

When reviewing ingredients on a label, it's useful for consumers to be aware of any personal allergies or sensitivities they may have towards fragrance components like isoeugenol.

Commonly found in: perfumes, colognes, soaps, lotions, cosmetics

What to watch

  • Isoeugenol has been associated with allergic skin reactions in some individuals.
FDA

The FDA allows its use in fragrance products, but it must be clearly labeled, particularly to inform individuals with sensitivities.

Research

Research highlights that while it is effective as a fragrance component, it can cause allergic contact dermatitis in sensitive individuals.

Vegan

Isoeugenol is generally considered vegan as it is synthetically derived or extracted from plant oils.

Sources: Isoeugenol and Allergic Contact Dermatitis

Scout's take

EU 26 fragrance allergen and a top-strength dermal sensitizer per IFRA. Use level in leave-on products is capped at 0.02% by IFRA because of its high allergic-contact-dermatitis rate.

The case against

Potential allergen and skin irritant.

from the analysis of Aera Mini Diffuser

The case for

Adds a spicy fragrance to products.

from the analysis of Aera Mini Diffuser

More from Scout's analyses

One of the strongest regulated fragrance sensitizers — IFRA caps it at 0.02% in leave-on products because of its contact-allergy record. Declared here, meaning it exceeds the 0.001% labeling threshold.

from the analysis of Le Labo Rose 31 Eau de Parfum

Isoeugenol is a phenylpropene, a type of phenylpropanoid. It is used for its spicy scent. It is generally safe but can cause allergic reactions.

from the analysis of Aera Mini Diffuser

All 14 products with Isoeugenol

Where Isoeugenol shows up

Higher-scoring picks without Isoeugenol

Products from the same categories whose analyzed ingredient list does not include Isoeugenol, scoring 80 or above.

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