Humulus Lupulus Extract

Humulus Lupulus Extract and pregnancy

Caution Advised

• Hormone disruptor

Humulus lupulus extract (hops) contains compounds with mild estrogenic activity, particularly 8-prenylnaringenin (8-PN), which is one of the most potent phytoestrogens identified. In cosmetics, hop extract is used for its antioxidant and soothing properties. While studies on topical use during pregnancy are limited, the presence of phytoestrogens raises theoretical concerns about hormone disruption during fetal development. However, the estrogenic activity from topical cosmetic use is significantly lower than from dietary sources or oral supplements. There is no clinical evidence of harm from topical hop extract in cosmetics, but the potential for hormone interaction during pregnancy merits caution. Most obstetricians and dermatologists take a precautionary approach with phytoestrogen-containing ingredients during pregnancy, particularly when alternatives without hormonal activity are available. Pregnant women may choose to avoid products where hop extract appears as a primary ingredient, though incidental exposure from products where it's a minor component is generally not considered high risk. The conservative approach is to minimize exposure to any ingredient with known estrogenic activity during pregnancy.

Humulus Lupulus Extract and breastfeeding

Caution Advised

• Hormone disruptor
• May affect milk supply

Hop extract contains phytoestrogens that have historically been noted for potential effects on lactation. Traditional herbal medicine literature suggests hops may increase milk production, but this relates to oral consumption rather than topical cosmetic use. Some sources also suggest hops could potentially decrease milk supply through hormonal mechanisms. The concern with topical use during breastfeeding relates primarily to the estrogenic compounds that could theoretically affect hormonal balance and milk production, though evidence for this from cosmetic topical application is lacking. There are no studies demonstrating that topical hop extract in cosmetics affects milk supply or transfers to breast milk in meaningful amounts. Due to uncertainty and the theoretical hormonal effects, many lactation consultants and dermatologists recommend taking a cautious approach with phytoestrogen-containing botanicals during breastfeeding. Women may choose to avoid products with hop extract as a primary ingredient or to monitor for any changes in milk supply if using such products. Products where hop extract is present in small amounts as a minor ingredient present lower theoretical risk.

Humulus Lupulus Extract and postpartum

Safe to Use

For postpartum women who are not breastfeeding, humulus lupulus extract presents no specific concerns. The antioxidant and soothing properties may benefit postpartum skin recovery and address inflammation or sensitivity. The phytoestrogen content is not a concern outside of pregnancy and breastfeeding contexts. Standard considerations for botanical extracts apply, primarily monitoring for any individual allergic reactions.

Humulus Lupulus Extract and trying to conceive

Safe to Use

While hop extract contains phytoestrogens, there is no evidence that topical use in cosmetics affects fertility or conception chances. The amounts absorbed through skin from cosmetic products are minimal compared to dietary phytoestrogen exposure. Women trying to conceive who wish to take a very conservative approach may choose to avoid phytoestrogen-containing ingredients in preparation for pregnancy, though this is precautionary rather than evidence-based. Most fertility specialists do not consider topical cosmetic use of hop extract a concern for conception.

Humulus Lupulus Extract and PCOS

Caution Advised

• Interferes with hormones

Humulus lupulus extract contains phytoestrogens, which could theoretically interact with the hormonal imbalances characteristic of PCOS. PCOS typically involves elevated androgens and disrupted estrogen-to-progesterone ratios, and introducing estrogenic compounds could complicate this balance. There are no studies specifically examining topical hop extract's effects on PCOS symptoms or hormone levels. The anti-inflammatory and antioxidant properties could benefit PCOS-related skin concerns like acne and inflammation. However, the hormonal activity creates uncertainty about whether the ingredient might interfere with PCOS management or hormonal treatments. Women with PCOS may want to discuss botanical ingredients with estrogenic activity with their healthcare provider, particularly if they're undergoing hormonal treatment. The conservative approach would be to choose alternatives without phytoestrogen content, though topical cosmetic exposure is minimal compared to dietary phytoestrogen intake from foods like soy.

Humulus Lupulus Extract and general use

Safe to Use

• Common allergen

Humulus lupulus extract offers valuable antioxidant and soothing properties in cosmetics. The prenylflavonoids, particularly xanthohumol, provide protection against oxidative stress and inflammation. The extract also has antimicrobial properties that can benefit acne-prone skin. For the general population not pregnant or breastfeeding, hop extract is considered safe and beneficial in cosmetics. The main concern is potential allergic contact dermatitis in sensitive individuals, though this is relatively uncommon. The phytoestrogen content is not a concern for non-pregnant, non-breastfeeding individuals using topical cosmetics. Research supports hop extract's efficacy as an antioxidant and anti-aging ingredient. It's suitable for most skin types and can be particularly beneficial in anti-aging and soothing formulations. Those with known allergies to plants in the Cannabaceae family should avoid products containing hop extract.

Everything else flagged for the same profiles

• Flagged in pregnancy
• Flagged in breastfeeding
• Flagged in PCOS

Related ingredients

Ingredients suggested in place of Humulus Lupulus Extract, each one with its own page here.

• Bisabolol
• Allantoin
• Niacinamide
• Salicylic Acid

Ingredients that raise the same concerns.

• Trifolium Pratense Flower ExtractMay affect milk supply, Interferes with hormones, Hormone disruptor
• Cnidium Monnieri Fruit ExtractMay affect milk supply, Interferes with hormones, Hormone disruptor
• Pimpinella Anisum Seed ExtractMay affect milk supply, Interferes with hormones, Hormone disruptor
• Hydrolyzed Placental ProteinMay affect milk supply, Interferes with hormones, Hormone disruptor
• Vitex Agnus Castus ExtractMay affect milk supply, Interferes with hormones, Hormone disruptor
• Dioscorea Panthaica Root ExtractMay affect milk supply, Interferes with hormones, Hormone disruptor

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.