Rehmannia Glutinosa Root Extract

Rehmannia Glutinosa Root Extract and pregnancy

Caution Advised

• Absorbed into the body
• Hormone disruptor

Rehmannia Glutinosa Root Extract is a traditional Chinese medicine herb that has been used internally for centuries to treat various conditions. In cosmetics, it's valued for its antioxidant and soothing properties. While topical use is generally less concerning than oral consumption, Rehmannia has documented hormonal effects when taken internally. Studies show it can affect blood sugar regulation and may have estrogenic activity. There is insufficient research on whether these effects occur with topical cosmetic use during pregnancy. The herb is traditionally avoided in certain pregnancy situations in Chinese medicine, though this guidance primarily applies to oral consumption. Due to the lack of specific safety data for topical use during pregnancy and the herb's known systemic effects when consumed orally, many practitioners recommend a cautious approach. While there's no direct evidence of harm from cosmetic use, the uncertainty around absorption and potential hormonal effects makes this a 'better safe than sorry' ingredient during pregnancy.

Rehmannia Glutinosa Root Extract and breastfeeding

Safe to Use

Rehmannia Glutinosa Root Extract used topically in cosmetics has minimal risk during breastfeeding. The ingredient's molecular composition and topical application method suggest limited systemic absorption. While oral consumption of Rehmannia can pass into breast milk (as documented in traditional Chinese medicine), topical cosmetic use involves much lower doses and different absorption pathways. There are no reports of adverse effects in breastfed infants from maternal topical use of this ingredient. For breastfeeding mothers, topical use in cosmetics is generally considered acceptable. As always, avoid applying products directly to the breast or nipple area before breastfeeding.

Rehmannia Glutinosa Root Extract and postpartum

Safe to Use

Rehmannia Glutinosa Root Extract offers antioxidant and anti-inflammatory benefits that can support postpartum skin recovery. Its soothing properties may help with skin sensitivity and inflammation common after childbirth. For postpartum women not breastfeeding, there are no specific concerns with topical use of this ingredient. It can be beneficial for addressing skin concerns like inflammation and oxidative stress without safety restrictions.

Rehmannia Glutinosa Root Extract and trying to conceive

Caution Advised

• Hormone disruptor

Rehmannia Glutinosa has documented effects on hormonal pathways when consumed orally, including potential estrogenic activity. While topical cosmetic use involves much lower exposure, the lack of specific fertility research makes it a precautionary concern. Women actively trying to conceive may prefer to avoid ingredients with any potential hormonal activity, even if theoretical. Most fertility specialists recommend being cautious with herbs that have documented systemic effects when trying to conceive, though topical cosmetic use is less concerning than oral consumption.

Rehmannia Glutinosa Root Extract and PCOS

Safe to Use

Rehmannia Glutinosa Root Extract contains anti-inflammatory compounds that may benefit PCOS-related skin concerns. Some research suggests it may help with insulin sensitivity when taken orally, though topical effects are unproven. For topical cosmetic use, this ingredient does not appear to negatively impact hormonal balance in PCOS. Its anti-inflammatory properties may actually help with acne and skin inflammation associated with the condition. Women with PCOS can safely use cosmetics containing this extract. While oral supplementation has been studied for metabolic effects, topical use in skincare is primarily beneficial for antioxidant and soothing properties.

Rehmannia Glutinosa Root Extract and general use

Safe to Use

Rehmannia Glutinosa Root Extract is a botanical ingredient rich in antioxidants and anti-inflammatory compounds. It's particularly valued in Asian skincare formulations for its skin-soothing properties. The ingredient is generally well-tolerated in cosmetic formulations. As with any botanical extract, there is a small possibility of allergic reaction in sensitive individuals. The extract contains various bioactive compounds including catalpol and other iridoid glycosides that provide antioxidant benefits. For the general population, this is a safe and beneficial ingredient in skincare. It's particularly suitable for those dealing with inflammation, redness, or oxidative stress. Individuals with known plant allergies should patch-test products containing this extract.

Everything else flagged for the same profiles

• Flagged in pregnancy
• Flagged in trying to conceive

Related ingredients

Ingredients suggested in place of Rehmannia Glutinosa Root Extract, each one with its own page here.

• Bisabolol
• Allantoin
• Niacinamide

Ingredients that raise the same concerns.

• Parfum/FragranceHormone disruptor, Absorbed into the body
• Ethylhexyl MethoxycinnamateHormone disruptor, Absorbed into the body
• Ethylhexyl SalicylateHormone disruptor, Absorbed into the body
• PropylparabenHormone disruptor, Absorbed into the body
• Lavandula Angustifolia OilHormone disruptor, Absorbed into the body
• OctocryleneHormone disruptor, Absorbed into the body

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.