Ingredient
Hexamethylindanopyran
Hexamethylindanopyran is flagged for pregnancy, breastfeeding, trying to conceive and PCOS. The concern behind the strongest flag is endocrine disruptor and fetal development.
- HMIP
- Galaxolide
- 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]-2-benzopyran
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
- 4 of 6
- Counting avoid, high risk and medium risk
- Irritancy
- 1 of 5
- Higher means more likely to sting or redden
Hexamethylindanopyran and pregnancy
Caution Advised
- Endocrine disruptor
- Fetal development
Hexamethylindanopyran (HMIP), also known as Galaxolide, is a synthetic musk fragrance used in cosmetics and personal care products. It is lipophilic (fat-soluble) and can be absorbed through the skin. Studies have shown that HMIP can cross the placental barrier and has been detected in cord blood. Research indicates potential endocrine-disrupting properties, with evidence suggesting it may interfere with estrogen and thyroid hormone systems. While direct evidence of harm to human pregnancy is limited, animal studies have shown developmental effects at high doses. The European Chemicals Agency has raised concerns about this compound's bioaccumulation and persistence. While no regulatory body explicitly prohibits HMIP use during pregnancy, many dermatologists and obstetricians recommend that pregnant women minimize exposure to synthetic musks due to their endocrine-disrupting potential and ability to cross the placenta. Women may choose to avoid or limit products containing this fragrance ingredient during pregnancy as a precautionary measure.
Hexamethylindanopyran and breastfeeding
Caution Advised
- Passes into breast milk
- Infant exposure
- Endocrine disruptor
Hexamethylindanopyran is a fat-soluble synthetic musk that has been detected in human breast milk in multiple studies. Its lipophilic nature allows it to accumulate in fatty tissues and transfer to milk. Research has documented the presence of HMIP in breast milk samples from various populations, indicating that topical exposure leads to systemic absorption and milk transfer. While the effects on breastfed infants are not fully characterized, the compound's potential endocrine-disrupting properties and bioaccumulation raise concerns about infant exposure during a critical developmental period. Many pediatric and dermatology experts suggest that breastfeeding mothers minimize exposure to synthetic musks like HMIP. While not absolutely prohibited, limiting products containing this ingredient may reduce infant exposure through breast milk. Fragrance-free alternatives are widely available.
Hexamethylindanopyran and postpartum
Safe to Use
For postpartum women who are not breastfeeding, Hexamethylindanopyran presents fewer concerns compared to during pregnancy or breastfeeding. The primary considerations relate to general endocrine health and environmental impact. Women in this group can use products containing HMIP with lower risk, though some may choose to avoid it due to its classification as a potential endocrine disruptor and environmental pollutant. The ingredient offers no specific benefits and is purely functional for fragrance.
Hexamethylindanopyran and trying to conceive
Caution Advised
- Endocrine disruptor
- Hormone disruptor
Hexamethylindanopyran is a synthetic fragrance with potential endocrine-disrupting properties. For women trying to conceive, minimizing exposure to endocrine disruptors is generally recommended to optimize reproductive health. While direct evidence linking HMIP to impaired fertility is limited, its ability to interfere with hormone systems and accumulate in fatty tissues raises theoretical concerns during the preconception period. Many reproductive endocrinologists advise women trying to conceive to reduce exposure to synthetic fragrances and potential endocrine disruptors as part of preconception health optimization.
Hexamethylindanopyran and PCOS
Caution Advised
- Endocrine disruptor
- Interferes with hormones
Hexamethylindanopyran is a synthetic musk with documented endocrine-disrupting potential. For women with PCOS, who already experience hormonal imbalances, additional endocrine disruptors may be of concern. Studies have shown that HMIP can interfere with estrogen and possibly other hormone systems. For women with PCOS who are managing hormone-sensitive symptoms, exposure to compounds that may affect hormonal balance could theoretically complicate their condition, though direct evidence linking HMIP to PCOS symptom worsening is lacking. Many healthcare providers recommend that women with hormonal conditions like PCOS minimize exposure to potential endocrine disruptors when possible. While not absolutely contraindicated, women with PCOS may choose to avoid synthetic musks like HMIP in favor of fragrance-free or naturally scented products.
Hexamethylindanopyran and general use
Safe to Use
- Endocrine disruptor
- Environmental pollutant
Hexamethylindanopyran (Galaxolide) is a widely used synthetic musk fragrance in cosmetics and personal care products. It provides long-lasting scent but has raised environmental and health concerns. The European Chemicals Agency classifies HMIP as a substance of very high concern due to its persistence, bioaccumulation, and potential endocrine-disrupting properties. It has been detected in human tissues, including blood and adipose tissue, indicating widespread exposure and accumulation. However, at the concentrations used in cosmetics (restricted to 1% in leave-on products in the EU), acute health risks to the general population are considered low. For most people, occasional use of products containing HMIP at regulated concentrations is unlikely to cause immediate harm. However, those concerned about long-term exposure to potential endocrine disruptors or environmental impact may choose fragrance-free alternatives. The ingredient provides no skincare benefits beyond scent.
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 .
One ingredient is the easy case.
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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