Ingredient
Eugenol
Eugenol is flagged for pregnancy and general use. The concern behind the strongest flag is absorbed into the body and irritant.
- 4-Allyl-2-methoxyphenol
- Clove Oil Component
- Eugenic Acid
Verdict by profile
Truva checks every ingredient against six profiles. Jump to any of them for the full assessment.
- Strongest verdict
- Caution Advised
- Its verdict for pregnancy, the profile this one is worst in
- Profiles flagged
- 2 of 6
- Counting avoid, high risk and medium risk
- Irritancy
- 3 of 5
- Higher means more likely to sting or redden
Eugenol and pregnancy
Caution Advised
- Absorbed into the body
- Irritant
Eugenol is a phenolic compound naturally found in clove oil and other essential oils, used in cosmetics primarily for fragrance. It is a potent compound that can be absorbed through the skin, particularly in higher concentrations or with prolonged contact. While topical exposure to eugenol in cosmetics is generally limited, concentrated eugenol has shown uterotonic effects in animal studies, meaning it can stimulate uterine contractions. High oral doses of clove oil (which is 70-90% eugenol) have been associated with pregnancy complications in traditional medicine literature. Eugenol can also cross the placental barrier. However, the small amounts typically found in cosmetic products are less concerning than concentrated essential oil use. ACOG does not specifically address eugenol in cosmetics, but many obstetricians recommend avoiding concentrated essential oils containing eugenol during pregnancy, particularly in the first trimester. The concern is primarily with high-dose exposure rather than trace amounts in fragranced products. Pregnant women with sensitive skin may also experience increased irritation from eugenol due to pregnancy-related skin changes.
Eugenol and breastfeeding
Safe to Use
- Irritant
Eugenol is a fragrance component that can cause skin irritation and allergic reactions. When used in typical cosmetic concentrations and applied to areas away from the breast, it poses minimal risk during breastfeeding. While eugenol can be absorbed through the skin, the amounts in cosmetic products are generally too low to result in significant transfer to breast milk. The primary concern is avoiding application to the breast area where direct contact with the infant could occur, as eugenol can be irritating to infant skin. The AAD does not specifically restrict eugenol use during breastfeeding, but recommends avoiding fragranced products on the breast area and being cautious with known allergens. If using products containing eugenol, apply away from areas that come in contact with the breastfed infant.
Eugenol and postpartum
Safe to Use
- Irritant
- Common allergen
Eugenol can cause irritation and allergic reactions in some individuals, which may be more pronounced in postpartum women experiencing skin sensitivity. Postpartum hormonal changes can make skin more reactive to potential irritants and allergens. If you have not previously used products containing eugenol, consider patch testing first, as postpartum skin can develop new sensitivities. Those with a history of fragrance allergies should avoid eugenol-containing products.
Eugenol and trying to conceive
Safe to Use
Eugenol in typical cosmetic concentrations is unlikely to affect fertility or conception. The concerns about eugenol are primarily related to pregnancy rather than preconception. While high doses of eugenol have shown effects on the reproductive system in animal studies, the amounts in cosmetic products are far below these levels. Women trying to conceive can generally use products containing eugenol, though switching to gentler, fragrance-free options is reasonable if planning to avoid it during pregnancy.
Eugenol and PCOS
Safe to Use
- Irritant
- Can inflame skin
Eugenol is a fragrance ingredient that can cause irritation and inflammation, which may be problematic for women with PCOS who often have inflammatory acne and sensitive skin. Irritation can worsen acne and trigger more inflammation. While eugenol has some antimicrobial properties, its irritating and allergenic potential outweighs benefits for PCOS skin management. There is no evidence that eugenol affects hormone levels, but the inflammation it can cause may indirectly impact PCOS symptoms. Dermatologists generally recommend that women with PCOS avoid unnecessary irritants and fragrances in skincare products. Fragrance-free products are typically better tolerated and less likely to exacerbate acne and inflammation associated with PCOS.
Eugenol and general use
Caution Advised
- Common allergen
- Irritant
Eugenol is one of the 26 fragrance allergens identified by the EU Scientific Committee on Consumer Safety as having significant allergenic potential. It can cause contact dermatitis, both irritant and allergic types, in susceptible individuals. Studies show that eugenol can cause sensitization with repeated exposure, meaning individuals may develop allergies over time even if they initially tolerate it. It is particularly problematic for people with sensitive skin, eczema, or existing fragrance allergies. The irritation potential increases with concentration and frequency of use. The EU requires eugenol to be labeled when present above 0.001% in leave-on products and 0.01% in rinse-off products. Consumers with known fragrance sensitivities or skin conditions should avoid products containing eugenol. Patch testing is recommended before using products with this ingredient.
Everything else flagged for the same profiles
Related ingredients
Ingredients suggested in place of Eugenol, each one with its own page here.
Ingredients that raise the same concerns.
Where this came from
Truva summarises published guidance from bodies including ACOG, the FDA, the EU SCCS and the Cosmetic Ingredient Review. It has no access to your medical history and it is not a substitute for your doctor, dermatologist or midwife. These assessments have not been reviewed by a clinician, and nothing here is a diagnosis or a prescription. If you are pregnant, breastfeeding or being treated for PCOS, take the ingredient list to the person looking after you.
Assessment last pulled from the ingredient database on .
One ingredient is the easy case.
A label has thirty of them. Truva reads the whole list at once and answers for the profile you set: pregnancy, breastfeeding, postpartum, trying to conceive, PCOS, or general use.
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