Ingredient
Cinnamomum Cassia Extract
Cinnamomum Cassia Extract is flagged for pregnancy and general use. The concern behind the strongest flag is irritant and absorbed into the body.
- Cassia Extract
- Chinese Cinnamon Extract
- Cassia Bark 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
- 2 of 6
- Counting avoid, high risk and medium risk
- Irritancy
- 3 of 5
- Higher means more likely to sting or redden
Cinnamomum Cassia Extract and pregnancy
Caution Advised
- Irritant
- Absorbed into the body
Cinnamomum cassia extract is derived from Chinese cinnamon bark and contains cinnamaldehyde and coumarin as major constituents. In cosmetics, it provides antioxidant benefits and fragrance, but is also a known skin irritant and sensitizer. While topical use of cassia extract in cosmetics is different from oral consumption, there are theoretical concerns during pregnancy. High doses of oral cassia cinnamon have been associated with potential effects on uterine activity in some traditional medicine contexts, though evidence is limited. The coumarin content in cassia cinnamon can be hepatotoxic at high doses systemically. However, skin absorption from cosmetic use is significantly lower than oral ingestion. Many obstetricians advise caution with cinnamon products during pregnancy as a general precaution, though specific data on topical cosmetic use is lacking. No regulatory bodies have explicitly prohibited topical cassia extract during pregnancy, but the combination of irritancy potential, coumarin content, and limited safety data leads many healthcare providers to suggest avoiding or limiting use, especially in higher concentrations or leave-on products. Pregnant women with sensitive skin should be particularly cautious.
Cinnamomum Cassia Extract and breastfeeding
Safe to Use
- Irritant
Cinnamomum cassia extract applied topically in cosmetics has limited systemic absorption and no documented evidence of transfer into breast milk at levels that would affect breastfed infants. The primary concern is skin irritation rather than infant exposure. While oral consumption of large amounts of cassia cinnamon is sometimes cautioned against during breastfeeding due to coumarin content, topical cosmetic use represents minimal exposure. The AAD notes that skin irritation and allergic reactions are the main concerns with topical cinnamon products. Breastfeeding mothers can use products containing cassia extract with minimal concern for infant health, though irritation risk remains. Avoid applying directly to the chest area before breastfeeding, and discontinue use if skin irritation develops.
Cinnamomum Cassia Extract and postpartum
Safe to Use
- Irritant
Cassia extract provides antioxidant benefits for postpartum skin but carries irritation risk, especially for sensitive post-pregnancy skin. The ingredient may help with inflammation but should be used cautiously. Non-breastfeeding postpartum women can use products with cassia extract, though patch testing is advisable given increased skin sensitivity after pregnancy. Those with a history of reactions to cinnamon or fragrance allergens should avoid this ingredient.
Cinnamomum Cassia Extract and trying to conceive
Safe to Use
Topical cassia extract in cosmetics has no documented effects on fertility or conception. While some traditional sources suggest high oral doses of cinnamon might affect menstruation, topical cosmetic use provides minimal systemic exposure and no evidence of reproductive effects. Women trying to conceive can use skincare products with cassia extract without concern for fertility impacts, though those planning pregnancy might choose to avoid it as a precautionary measure given pregnancy-related cautions.
Cinnamomum Cassia Extract and PCOS
Safe to Use
Cinnamomum cassia extract in cosmetics does not have hormonal effects or interact with PCOS pathophysiology when used topically. Some research on oral cinnamon supplementation suggests potential benefits for insulin sensitivity in PCOS, but this is unrelated to topical cosmetic use. For skincare purposes, cassia extract provides antioxidant and anti-inflammatory benefits without affecting androgen levels or metabolic parameters. It does not interfere with PCOS management or medications. Women with PCOS can use products containing this ingredient, though those with sensitive or acne-prone skin should be aware of its irritation potential, which could exacerbate inflammation.
Cinnamomum Cassia Extract and general use
Caution Advised
- Irritant
- Common allergen
Cinnamomum cassia extract is used in cosmetics for its antioxidant, anti-inflammatory, and aromatic properties. It contains cinnamaldehyde and coumarin as primary bioactive compounds, which also contribute to its irritation and sensitization potential. According to dermatological research and the SCCS, cinnamon extracts including cassia are well-documented causes of allergic contact dermatitis and irritant reactions. Cinnamaldehyde, the main constituent, is a known fragrance allergen regulated under EU cosmetics law. Reactions can range from mild redness to severe dermatitis, and sensitivity can develop with repeated exposure. The general public can use products containing cassia extract, but individuals with sensitive skin, existing skin conditions, or known allergies to cinnamon should avoid it. Patch testing is recommended before using products with significant cinnamon content. Higher concentrations or leave-on products pose greater irritation risk than rinse-off products with lower concentrations.
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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