Ingredient
Piper Methysticum Leaf/Root/Stem Extract
Piper Methysticum Leaf/Root/Stem Extract is flagged for pregnancy, breastfeeding, trying to conceive, postpartum, PCOS and general use. The concern behind the strongest flag is absorbed into the body and fetal development.
- Kava Extract
- Kava Kava Extract
- Piper Methysticum Extract
Verdict by profile
Truva checks every ingredient against six profiles. Jump to any of them for the full assessment.
- Strongest verdict
- Not Recommended
- Its verdict for pregnancy, the profile this one is worst in
- Profiles flagged
- 6 of 6
- Counting avoid, high risk and medium risk
- Irritancy
- 1 of 5
- Higher means more likely to sting or redden
Piper Methysticum Leaf/Root/Stem Extract and pregnancy
Not Recommended
- Absorbed into the body
- Fetal development
Piper Methysticum Extract, commonly known as kava, is derived from a Pacific island plant and contains bioactive compounds called kavalactones. In cosmetics, it is used for soothing and calming effects on the skin. However, kava has known pharmacological activity that extends beyond topical benefits. During pregnancy, kava is contraindicated due to multiple concerns. According to ACOG and medical consensus, kava should be avoided during pregnancy due to potential hepatotoxicity, unknown effects on fetal development, and possible uterine effects. The kavalactones in kava can be absorbed through the skin, and oral consumption has been associated with liver damage. While topical absorption is lower than oral intake, the FDA has issued warnings about kava products due to liver toxicity concerns. Additionally, there is insufficient safety data on kava's effects during pregnancy, and traditional medicine systems have historically advised against its use during gestation. Medical professionals and herbal medicine experts recommend avoiding all forms of kava during pregnancy, including topical applications in cosmetics. The potential for systemic absorption combined with known hepatotoxicity and uncertain fetal effects make this ingredient inappropriate for pregnant women.
Piper Methysticum Leaf/Root/Stem Extract and breastfeeding
Not Recommended
- Passes into breast milk
- Infant exposure
Piper Methysticum Extract contains kavalactones, which are bioactive compounds with pharmacological effects. While used topically in cosmetics, these compounds can be absorbed through the skin and potentially enter systemic circulation. For breastfeeding mothers, kava is strongly discouraged. The kavalactones can pass into breast milk, and there are significant concerns about infant exposure to these compounds. The FDA has issued warnings about kava's potential for liver toxicity, and infants have immature liver function that makes them particularly vulnerable. Additionally, kava's sedative properties could theoretically affect a breastfed infant's alertness and feeding patterns. Medical professionals, including pediatricians and lactation consultants, recommend avoiding kava in all forms during breastfeeding. The American Academy of Pediatrics and similar organizations advise against maternal use of kava while breastfeeding due to potential infant risks.
Piper Methysticum Leaf/Root/Stem Extract and postpartum
Caution Advised
- Absorbed into the body
Piper Methysticum Extract, when used topically in cosmetics, provides soothing and anti-inflammatory benefits. For postpartum women not breastfeeding, the primary concern is the potential for systemic absorption and liver effects from the kavalactones present in kava. While topical use is generally less concerning than oral consumption, women with compromised liver function or those taking medications metabolized by the liver should exercise caution. The FDA's warnings about hepatotoxicity apply primarily to oral use, but some dermal absorption is possible. Postpartum women not breastfeeding can use products with this ingredient occasionally, but should be aware of the potential risks and avoid extensive or prolonged use.
Piper Methysticum Leaf/Root/Stem Extract and trying to conceive
Not Recommended
- Fertility effects
Piper Methysticum Extract should be avoided by women trying to conceive due to concerns about its potential effects on fertility and because it should not be used during early pregnancy, which may not yet be detected. Some traditional medicine systems have historically cautioned against kava use when trying to conceive, though specific fertility studies are limited. Given the need to avoid kava once pregnant and the uncertainty about its effects on conception, medical professionals generally recommend discontinuing kava products when actively trying to conceive.
Piper Methysticum Leaf/Root/Stem Extract and PCOS
Caution Advised
- Absorbed into the body
Piper Methysticum Extract contains kavalactones that have anti-inflammatory properties potentially beneficial for skin issues. However, the ingredient's systemic effects and liver toxicity concerns apply to women with PCOS. For women with PCOS, who may already have metabolic concerns and potentially fatty liver disease, kava's hepatotoxic potential is particularly relevant. While topical use presents lower risk than oral consumption, women with PCOS who have liver involvement or metabolic syndrome should be cautious. The ingredient does not directly affect hormones or insulin sensitivity. Women with PCOS can use products with kava extract occasionally, but should avoid frequent or extensive application, especially if they have existing liver concerns or are taking medications for PCOS that affect liver function.
Piper Methysticum Leaf/Root/Stem Extract and general use
Caution Advised
- Absorbed into the body
Piper Methysticum Extract, or kava, is used in cosmetics for its soothing and anti-inflammatory properties. It contains kavalactones that can provide calming effects on irritated skin. In topical applications, the concentration and absorption are significantly lower than oral forms. For the general population, the primary concern with kava is hepatotoxicity. The FDA has issued consumer advisories about potential liver damage from kava products, though these warnings primarily address oral supplements rather than topical cosmetics. Some dermal absorption of kavalactones is possible, but the risk from cosmetic use appears to be lower than from oral consumption. Individuals with liver disease, those taking medications that affect the liver, or those who consume alcohol regularly should avoid products with kava extract. While topical kava in cosmetics is less concerning than oral forms, the FDA's warnings and regulatory restrictions in various countries reflect legitimate safety concerns. The ingredient may be suitable for occasional use in healthy individuals but is not recommended for frequent or extensive application.
Everything else flagged for the same profiles
Related ingredients
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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.
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