Petroselinum Crispum Seed Oil

Petroselinum Crispum Seed Oil and pregnancy

Caution Advised

• Absorbed into the body
• Hormone disruptor

Petroselinum crispum seed oil is an essential oil derived from parsley seeds, used primarily for fragrance in cosmetics. The oil contains apiol and myristicin, compounds that have been studied for their biological activity. Essential oils are lipid-soluble and can penetrate the skin barrier more readily than water-based ingredients. Parsley seed oil contains apiol, which has historically been associated with uterotonic effects when consumed in high doses orally. While topical absorption is significantly lower than oral ingestion, aromatherapists and herbalists traditionally advise against using concentrated parsley preparations during pregnancy. The concern stems from apiol's potential to stimulate uterine contractions, though evidence for topical application is limited. ACOG does not specifically list parsley seed oil, but generally recommends caution with essential oils during pregnancy due to their concentrated nature and varied chemical compositions. Many obstetricians suggest avoiding or minimizing exposure to essential oils containing compounds with known biological activity during pregnancy. The risk from cosmetic use in low concentrations is theoretical but not definitively ruled out.

Petroselinum Crispum Seed Oil and breastfeeding

Safe to Use

Parsley seed oil is used as a fragrance ingredient in cosmetic products. When used topically in cosmetic formulations, the concentration is typically low and systemic absorption is minimal. Essential oils are lipid-soluble but the amounts used in skincare products generally result in negligible blood levels. While concentrated parsley preparations consumed orally may affect milk supply due to traditional use as a galactagogue reducer, topical cosmetic use at low concentrations is unlikely to have this effect. The AAD notes that most topically applied essential oils in cosmetics do not reach sufficient systemic levels to affect breast milk composition or supply. Lactation consultants generally do not restrict the topical use of parsley seed oil in cosmetic products, though they may advise against oral consumption of concentrated parsley supplements. As a precaution, avoid applying products containing this ingredient directly to the breast or nipple area.

Petroselinum Crispum Seed Oil and postpartum

Safe to Use

• Common allergen
• Increases sun sensitivity

Parsley seed oil provides antioxidant benefits and can be used safely in postpartum skincare for those not breastfeeding. The main considerations are its potential to cause allergic reactions in sensitive individuals and its photosensitizing properties. As with all essential oils, patch testing is recommended, especially for postpartum skin which may be more sensitive. If using products containing this ingredient, apply sun protection during the day due to potential photosensitivity.

Petroselinum Crispum Seed Oil and trying to conceive

Safe to Use

While concentrated oral parsley preparations have been studied in ethnobotanical literature for various reproductive effects, topical cosmetic use at low concentrations has not been shown to affect fertility. The amounts absorbed through the skin from cosmetic products are minimal compared to oral consumption. Most fertility specialists do not restrict the topical use of parsley seed oil in cosmetic formulations when trying to conceive. The theoretical concerns about apiol content apply primarily to concentrated oral supplements, not diluted cosmetic applications. As a conservative approach, some women choose to minimize essential oil exposure, but this is not based on evidence of topical cosmetic use affecting conception.

Petroselinum Crispum Seed Oil and PCOS

Safe to Use

Petroselinum crispum seed oil is used as a fragrance and antioxidant ingredient in cosmetics. It does not have known hormonal activity relevant to PCOS and does not interact with androgen or estrogen pathways when used topically. There are no documented concerns regarding this essential oil's use in individuals with PCOS. The ingredient provides antioxidant benefits without affecting hormonal balance or insulin sensitivity. Dermatologists treating PCOS patients do not identify parsley seed oil as a contraindication. The main consideration is individual skin sensitivity, as essential oils can occasionally cause irritation, but this is not PCOS-specific.

Petroselinum Crispum Seed Oil and general use

Safe to Use

• Common allergen
• Increases sun sensitivity

Petroselinum crispum seed oil is an essential oil extracted from parsley seeds, commonly used as a natural fragrance ingredient in cosmetics. It provides antioxidant benefits and contributes to product scent profiles. The primary concerns with this ingredient are potential allergic reactions and photosensitivity. Like many essential oils, it can cause contact dermatitis in sensitive individuals. The oil contains furanocoumarins, compounds that may increase the skin's sensitivity to sunlight, potentially leading to phototoxic reactions if adequate sun protection is not used. The EU Cosmetics Regulation permits the use of parsley seed oil in cosmetics, though fragrance allergens must be labeled. It is generally considered safe at the low concentrations typically used in cosmetic formulations. Individuals with sensitive skin should patch test products containing this ingredient, and sun protection is recommended when using products with photosensitizing essential oils.

Everything else flagged for the same profiles

• Flagged in pregnancy

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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 15 September 2026.