Cinnamal

Cinnamal and pregnancy

Safe to Use

• Irritant
• Common allergen

Cinnamal is a fragrance compound commonly used in cosmetics to provide cinnamon-like scent. It's a small aromatic molecule that can be absorbed through skin in minimal amounts but does not accumulate systemically. While cinnamal is a known contact allergen and can cause skin irritation, there are no documented concerns regarding fetal development or pregnancy outcomes from topical cosmetic exposure. Pregnancy increases skin sensitivity, so women who weren't previously reactive to fragrances may experience increased irritation during pregnancy. However, the primary concerns with cinnamal are allergic reactions and irritation rather than reproductive toxicity. No medical organizations have issued warnings about cinnamal use during pregnancy specifically. The main guidance for pregnant women is the same as general population: avoid if you have fragrance allergies or sensitive skin, particularly since pregnancy can heighten skin reactivity.

Cinnamal and breastfeeding

Safe to Use

• Irritant
• Common allergen

Cinnamal presents no specific concerns for breastfeeding beyond its general allergenic and irritant properties. The small amounts absorbed through skin are metabolized quickly and do not accumulate in breast milk. The primary consideration for breastfeeding mothers is avoiding application directly to the breast area where an infant's sensitive skin might come into contact with the product. Fragrance compounds including cinnamal can potentially irritate infant skin. There are no medical guidelines restricting cinnamal use during breastfeeding. The ingredient is safe from a milk transfer perspective, with concerns limited to contact irritation and allergic reactions as in the general population.

Cinnamal and postpartum

Safe to Use

• Irritant
• Common allergen

For postpartum women not breastfeeding, cinnamal poses the same concerns as for the general population: potential for allergic contact dermatitis and skin irritation. Postpartum hormonal changes can affect skin sensitivity, potentially increasing reactivity to fragrances. Women experiencing postpartum skin sensitivity may wish to choose fragrance-free products until their skin stabilizes. However, there are no specific contraindications for cinnamal use postpartum beyond general allergy and irritation considerations.

Cinnamal and trying to conceive

Safe to Use

Cinnamal has no documented effects on fertility or reproductive hormones. The minimal systemic absorption from topical cosmetic use does not present concerns for women trying to conceive. There's no need to avoid products containing cinnamal when planning pregnancy. If you have a known fragrance allergy, you should avoid it regardless of TTC status, but it poses no fertility-related concerns.

Cinnamal and PCOS

Safe to Use

• Common allergen
• Irritant

Cinnamal has no known effects on hormones or androgen activity, making it neutral for PCOS from a hormonal perspective. However, PCOS-prone skin is often more sensitive and reactive, particularly when experiencing active breakouts. The irritant and allergenic properties of cinnamal could potentially aggravate inflamed acne common in PCOS. While the ingredient itself doesn't cause or worsen PCOS, those with sensitive, acne-prone PCOS skin may prefer fragrance-free products to minimize potential irritation. There are no specific contraindications for cinnamal use with PCOS. The decision to use products containing this fragrance should be based on individual skin sensitivity rather than PCOS itself.

Cinnamal and general use

Caution Advised

• Common allergen
• Irritant

Cinnamal is a fragrance allergen present in cinnamon bark and commonly used in perfumes and scented cosmetics. It's classified by the EU Scientific Committee on Consumer Safety as one of the most common fragrance allergens, affecting approximately 1-3% of the population. The ingredient can cause allergic contact dermatitis in sensitized individuals, with reactions ranging from mild irritation to severe dermatitis. People with existing fragrance allergies, sensitive skin, or conditions like eczema are at higher risk. The SCCS recommends limitations on its use in cosmetics due to sensitization concerns. EU regulations require cinnamal to be listed separately on ingredient labels when present above certain thresholds, allowing consumers to make informed choices. Dermatologists generally recommend fragrance-free products for those with sensitive skin or known allergies.

Everything else flagged for the same profiles

Related ingredients

Ingredients that raise the same concerns.

• Parfum/FragranceIrritant, Common allergen
• PhenoxyethanolIrritant, Common allergen
• Lavandula Angustifolia OilIrritant, Common allergen
• Melaleuca Alternifolia Leaf OilIrritant, Common allergen
• MethylisothiazolinoneIrritant, Common allergen
• EugenolIrritant, Common allergen

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 15 September 2026.