Ingredient
Evernia Prunastri Extract
Evernia Prunastri Extract is flagged for general use. The concern behind the strongest flag is common allergen.
- Oakmoss Extract
- Oak Moss Absolute
- Evernia Prunastri
- Oakmoss Absolute
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 general use, the profile this one is worst in
- Profiles flagged
- 1 of 6
- Counting avoid, high risk and medium risk
- Irritancy
- 3 of 5
- Higher means more likely to sting or redden
Evernia Prunastri Extract and pregnancy
Safe to Use
- Common allergen
Evernia Prunastri (oakmoss) extract is a fragrance ingredient derived from lichen. It functions solely as a perfuming agent and has no systemic effects or reproductive toxicity concerns. The primary issue with oakmoss is its high potential for causing allergic skin reactions, not any effects on pregnancy or fetal development. There is no evidence that topical application of oakmoss extract affects pregnancy outcomes or poses risks to fetal development. The ingredient does not have hormone-disrupting properties or teratogenic effects. According to dermatology research, oakmoss remains on the skin surface and does not absorb systemically in amounts that would reach the fetus. While oakmoss itself poses no pregnancy-specific risks, pregnant women may have heightened skin sensitivity and may be more prone to developing allergic reactions. The EU has restricted oakmoss concentrations due to allergen concerns for the general population, not pregnancy-specific reasons. Women who have not previously used products with oakmoss may want to avoid first exposure during pregnancy simply to prevent uncomfortable allergic reactions during this sensitive time.
Evernia Prunastri Extract and breastfeeding
Safe to Use
- Common allergen
Oakmoss extract poses no concerns for breastfeeding mothers beyond its allergenic potential. As a fragrance ingredient, it remains on the skin surface and does not absorb systemically or transfer to breast milk. There is no mechanism by which topical oakmoss would affect milk production or infant exposure through breastfeeding. The primary consideration is skin sensitivity, as some individuals may develop allergic contact dermatitis from oakmoss. This is a local skin reaction and does not impact breastfeeding or infant health. The SCCS has identified oakmoss as a potent allergen, but this concern applies to the user's skin, not to any effects on the breastfed infant. Breastfeeding mothers can use products containing regulated levels of oakmoss extract without concern for their infant's health. Those with sensitive skin or known fragrance allergies may wish to avoid oakmoss-containing products to prevent personal discomfort, but there are no lactation-specific contraindications.
Evernia Prunastri Extract and postpartum
Safe to Use
- Common allergen
For postpartum women not breastfeeding, oakmoss extract presents the same considerations as for the general population—primarily the risk of allergic contact dermatitis. There are no reproductive or hormonal concerns associated with this fragrance ingredient after pregnancy. Postpartum skin may be more sensitive than usual, so women who haven't previously used oakmoss-containing products should be aware of the potential for allergic reactions. Those with a history of fragrance sensitivities may want to avoid this ingredient or patch test products before full application.
Evernia Prunastri Extract and trying to conceive
Safe to Use
Oakmoss extract has no impact on fertility, hormone balance, or conception. As a topical fragrance ingredient with no systemic absorption, it does not affect reproductive function or interfere with trying to conceive. Women TTC can safely use cosmetic products containing oakmoss extract. The only consideration is avoiding new allergen exposure that could cause uncomfortable skin reactions, but there are no fertility-related contraindications for this ingredient.
Evernia Prunastri Extract and PCOS
Safe to Use
Evernia Prunastri extract has no relevance to PCOS management or symptoms. As a fragrance ingredient, it does not affect hormone levels, androgen activity, insulin sensitivity, or inflammatory pathways associated with PCOS. The only consideration for women with PCOS is that those with inflammatory skin conditions like acne may have generally more sensitive skin. While oakmoss is an allergen, it does not specifically worsen PCOS-related skin issues unless an individual develops an allergic reaction. Women with PCOS can use products containing oakmoss extract without concern for hormonal effects or interference with PCOS management. The standard allergen precautions apply regardless of PCOS status.
Evernia Prunastri Extract and general use
Caution Advised
- Common allergen
Evernia Prunastri extract is one of the most problematic fragrance allergens in cosmetics. The SCCS has extensively studied oakmoss and identified it as a potent sensitizer, causing allergic contact dermatitis in a significant percentage of the population. The main allergenic components are atranol and chloroatranol. According to EU regulations, oakmoss extracts must contain less than 100 ppm of atranol and chloroatranol combined. Even at these restricted levels, oakmoss can cause reactions in previously sensitized individuals. The prevalence of oakmoss allergy has led many dermatologists to recommend avoiding fragrance ingredients in skincare, particularly for those with sensitive skin or eczema. The International Fragrance Association (IFRA) has implemented strict standards limiting oakmoss use in cosmetic and fragrance products. Many manufacturers are reformulating to eliminate oakmoss entirely. For consumers with known fragrance allergies or sensitive skin, products containing oakmoss should be avoided or patch tested before use.
Everything else flagged for the same profiles
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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 .
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