Ingredient
Thymus Serpillum Extract
Thymus Serpillum Extract is flagged for pregnancy. The concern behind the strongest flag is absorbed into the body.
- Wild Thyme Extract
- Breckland Thyme Extract
- Creeping Thyme Extract
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
- 1 of 6
- Counting avoid, high risk and medium risk
- Irritancy
- 2 of 5
- Higher means more likely to sting or redden
Thymus Serpillum Extract and pregnancy
Caution Advised
- Absorbed into the body
Thymus serpillum (wild thyme) extract contains various bioactive compounds including thymol and carvacrol, which have antimicrobial properties. It's used in personal care products for cleansing and deodorizing effects. There is limited specific data on topical use of thymus serpillum extract during pregnancy. However, thyme and related herbs in the Lamiaceae family have traditionally been used in high doses orally as emmenagogues (substances that stimulate menstruation). While topical cosmetic concentrations are much lower than medicinal doses, some healthcare providers recommend avoiding thyme-derived ingredients during the first trimester as a precautionary measure. ACOG does not specifically address cosmetic use of thyme extracts, but many obstetricians advise caution with aromatic botanical extracts during early pregnancy. The concern is theoretical rather than based on documented harm from cosmetic use. After the first trimester, topical use in cosmetic products is generally considered lower risk, though individual sensitivity should be considered.
This one changes across the pregnancy.
- First trimester
- CAUTION
- Second trimester
- SAFE
- Third trimester
- SAFE
Thymus Serpillum Extract and breastfeeding
Safe to Use
Thymus serpillum extract in topical cosmetics is used at concentrations much lower than those that would affect breast milk. The extract's components are not highly systemic when applied to skin. While thyme has a long history of culinary and medicinal use, there are no specific concerns about topical cosmetic use during breastfeeding. The small amounts used in personal care products are unlikely to transfer to breast milk in meaningful quantities. Most dermatologists consider botanical antimicrobials safe for topical use while breastfeeding. If using products on the chest area, wash thoroughly before breastfeeding to prevent direct infant contact. Those with sensitive skin may want to patch test first.
Thymus Serpillum Extract and postpartum
Safe to Use
- Irritant
Thymus serpillum extract is generally safe for postpartum use, though skin may be more sensitive during this period. The antimicrobial properties may be useful in deodorants or cleansing products. As with any botanical extract, some individuals may experience irritation. Postpartum women should introduce new botanical products gradually and watch for reactions, as hormonal changes can affect skin sensitivity.
Thymus Serpillum Extract and trying to conceive
Safe to Use
While high-dose oral thyme preparations have traditionally been used as emmenagogues, topical cosmetic use at the concentrations found in personal care products poses no known fertility concerns. The systemic absorption from topical application is minimal. Women trying to conceive can use cosmetic products containing thymus serpillum extract. However, some prefer to switch to pregnancy-safe alternatives once actively trying, as you would discontinue use if pregnant during the first trimester.
Thymus Serpillum Extract and PCOS
Safe to Use
Thymus serpillum extract has no known hormonal effects and does not interfere with androgen levels or insulin sensitivity. It's safe for women with PCOS to use in skincare products. The antimicrobial and anti-inflammatory properties of thyme extract may actually be beneficial for PCOS-related acne. Research on thymol and carvacrol suggests antibacterial activity against acne-causing bacteria. Women with PCOS can use products containing this ingredient without concerns about hormonal interference. However, those with sensitive or easily irritated skin should patch test, as the extract can be mildly irritating for some individuals.
Thymus Serpillum Extract and general use
Safe to Use
- Irritant
- Common allergen
Thymus serpillum extract is generally well-tolerated but may cause irritation or allergic reactions in some individuals. Those with known sensitivity to plants in the mint family should avoid this ingredient. The extract provides antimicrobial and antioxidant benefits in cosmetic formulations. It's commonly found in natural deodorants, cleansers, and products targeting oily or acne-prone skin. Most people can use products containing this botanical extract without issues. However, those with sensitive skin should patch test first. Repeated exposure may increase the risk of sensitization in predisposed individuals.
Everything else flagged for the same profiles
Related ingredients
Ingredients suggested in place of Thymus Serpillum Extract, each one with its own page here.
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 .
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A label has thirty of them. Truva reads the whole list at once and answers for the profile you set: pregnancy, breastfeeding, postpartum, trying to conceive, PCOS, or general use.
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