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Cinnamic Acid

Cinnamic acid is a naturally occurring organic acid found in cinnamon and other plants. In cosmetics, it is primarily used as a fragrance ingredient, contributing a warm, balsamic scent. It can also have mild preservative properties.

NoneFragrance ingredientVeganEvidence: Medium
BenefitMinimal 0.5 / 4
RiskModerate 1.5 / 4
Sensitization i2 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Irritation i1 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Rated by SpottyLabs' ingredient methodology, independent of brands.

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Frequently asked questions

What is Cinnamic Acid used for in cosmetics?
Cinnamic acid is primarily used as a fragrance component in cosmetic products, imparting a warm, spicy scent. It may also offer some mild preservative benefits.
Can Cinnamic Acid cause skin reactions?
Yes, cinnamic acid is a known fragrance allergen and can cause sensitization or irritation in individuals with sensitive skin or fragrance allergies. Patch testing is advisable.