Ingredient
Enterococcus Faecalis
Enterococcus Faecalis is flagged for pregnancy, breastfeeding and trying to conceive.
- E. Faecalis
- Enterococcus Faecalis Ferment
- Probiotic Bacteria
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 pregnancy, the profile this one is worst in
- Profiles flagged
- 3 of 6
- Counting avoid, high risk and medium risk
- Irritancy
- 1 of 5
- Higher means more likely to sting or redden
Enterococcus Faecalis and pregnancy
Caution Advised
Enterococcus faecalis is a bacterial species used in some cosmetic formulations as a probiotic-derived ingredient, typically in non-viable (lysed) form or as fermentation filtrate. The concept behind using bacterial derivatives in skincare is to support the skin microbiome and barrier function. However, E. faecalis is also known as an opportunistic pathogen in medical contexts. While cosmetic products should contain only non-living bacterial components or fermentation byproducts, there is no published safety data on topical use of E. faecalis derivatives during pregnancy. The concern is not about live bacteria (which should not be present in properly manufactured products) but about potential immune responses to bacterial proteins or metabolites, particularly during pregnancy when immune function is altered. Additionally, E. faecalis's reputation as an opportunistic pathogen raises theoretical concerns about even non-viable forms. No obstetric organizations have evaluated this ingredient, as probiotic-derived cosmetics are a relatively new trend. Due to the lack of safety data, the bacterium's pathogenic potential in other contexts, and the availability of better-studied probiotic ingredients like Lactobacillus ferments, a cautious approach is recommended during pregnancy. Many dermatologists would suggest choosing probiotic cosmetics with more established safety profiles.
Enterococcus Faecalis and breastfeeding
Caution Advised
Enterococcus faecalis derivatives used in cosmetics are typically non-viable bacterial components or fermentation filtrates. When applied topically, these should remain on the skin surface and not enter systemic circulation. However, the specific characteristics of absorption and potential for immune reactions have not been studied in the context of breastfeeding. The primary concern is not about transfer to breast milk but rather about potential adverse reactions in the mother. E. faecalis is known as an opportunistic pathogen that can cause infections in certain contexts, and while cosmetic forms use non-living components, individual reactions to bacterial proteins are possible. The lack of safety data specific to breastfeeding, combined with the existence of better-studied probiotic alternatives, suggests caution. No lactation guidelines exist for this ingredient from medical organizations. Given the limited research on topical bacterial derivatives during breastfeeding and E. faecalis's pathogenic associations, choosing probiotic cosmetics containing more established ingredients like Lactobacillus or Bifida ferments would provide similar benefits with better-characterized safety profiles.
Enterococcus Faecalis and postpartum
Safe to Use
For postpartum women not breastfeeding, Enterococcus faecalis derivatives in cosmetics present fewer concerns than during pregnancy or lactation. The ingredient's intended purpose is to support skin barrier function and microbiome balance, which could be beneficial for postpartum skin that may be experiencing changes due to hormonal shifts. The main consideration remains the limited safety data and the bacterium's opportunistic pathogenic nature in other contexts. Women with compromised immune systems, active skin infections, or very sensitive skin should be cautious. For most healthy postpartum women, properly formulated products containing non-viable E. faecalis derivatives pose minimal risk, though alternatives with better safety profiles exist.
Enterococcus Faecalis and trying to conceive
Caution Advised
For women trying to conceive, the lack of safety data on Enterococcus faecalis derivatives during pregnancy suggests taking a precautionary approach. While there's no evidence the ingredient affects fertility, women trying to conceive often prefer to establish skincare routines they can safely continue throughout pregnancy. Given that this ingredient would likely be categorized as medium-risk during pregnancy due to insufficient data, switching to better-studied probiotic ingredients now allows for seamless continuation of skincare routines once conception occurs. Alternatives like Lactobacillus ferments or Bifida lysates provide similar microbiome-supporting benefits with more established safety profiles.
Enterococcus Faecalis and PCOS
Safe to Use
Enterococcus faecalis derivatives have no hormonal activity and do not affect androgen levels or insulin sensitivity. The ingredient is used in cosmetics to provide potential skin barrier support through probiotic-derived benefits, with no interaction with hormonal pathways. For women with PCOS, there are no specific contraindications for using this ingredient. Some emerging research suggests that skin microbiome balance may play a role in inflammatory skin conditions, which could be relevant for PCOS-related acne. However, the evidence is preliminary, and other probiotic ingredients have more established benefits. The ingredient is safe to use with PCOS medications and does not interfere with treatments. Women with PCOS who are interested in probiotic skincare may find this ingredient in some products, though alternatives like Lactobacillus ferments have more research supporting their use for skin concerns common in PCOS.
Enterococcus Faecalis and general use
Safe to Use
- Common allergen
Enterococcus faecalis derivatives are used in some cosmetic products as part of the growing trend toward probiotic and microbiome-supporting skincare. These formulations typically use non-viable (lysed) bacteria or fermentation filtrates rather than live organisms. The intended benefit is to support skin barrier function and promote a healthy skin microbiome. For the general population, the main consideration is that this is a relatively novel cosmetic ingredient with limited long-term safety data. E. faecalis is known as an opportunistic pathogen in medical contexts, capable of causing infections in vulnerable individuals, though cosmetic products should contain only non-living components. Some individuals may experience sensitivities to bacterial proteins or metabolites. Properly formulated and preserved products should pose minimal risk to healthy individuals. The ingredient lacks extensive regulatory review by major cosmetic safety bodies. Consumers interested in probiotic skincare may find ingredients like Lactobacillus or Bifida ferments to be better-studied alternatives that provide similar benefits. Those with compromised immune systems, active skin conditions, or concerns about bacterial-derived ingredients should consult with dermatologists before using products containing E. faecalis derivatives.
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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