Cinnamyl Alcohol — Allergy Risk & Safety Profile
INCI: CINNAMYL ALCOHOL
Also known as: Cinnamic Alcohol
Key Facts
- CAS Number
- 104-54-1
- Category
- fragrance
- Risk Level
- medium
- Common Allergen
- Yes
- Found In
- perfume, soap
Is Cinnamyl Alcohol safe in cosmetics?
Cinnamyl Alcohol is rated medium risk in cosmetic products. It is a known allergen that can cause contact dermatitis in sensitized individuals. EU-regulated fragrance allergen. Safer alternatives include Fragrance-free products, Essential oil-free formulations. Commonly found in perfume, soap.
What is Cinnamyl Alcohol?
Cinnamyl Alcohol is a fragrance commonly used in cosmetic and personal care products. It has a moderate risk of causing skin irritation or sensitization in some people.
Allergy & Safety Information
Cinnamyl Alcohol is generally safe for most people but may cause irritation or allergic reactions in sensitive individuals. If you experience redness, itching, or swelling after using a product with this ingredient, discontinue use and consult a dermatologist.
This ingredient carries moderate allergenicity risk. It can cause reactions in sensitised individuals but has a lower sensitisation rate than high-risk ingredients. Patch testing before full use is advisable for anyone with a history of cosmetic reactions.
About Fragrance Component Ingredients
Fragrance ingredients are added to cosmetics for scent or to mask the odour of raw materials. The EU requires 26 specific fragrance allergens to be listed individually on labels when present above threshold concentrations. Fragrance (listed as "parfum") is the single most common cause of cosmetic contact dermatitis worldwide.
Relevance for Cinnamyl Alcohol: Even products labelled "unscented" may contain masking fragrances. True fragrance-free products list no perfuming ingredients at all. If you are fragrance-sensitive, check for "parfum," "fragrance," and all 26 EU-listed fragrance allergens on any product label.
How to Identify Cinnamyl Alcohol in Products
Cosmetic ingredients are listed by their INCI (International Nomenclature of Cosmetic Ingredients) name in descending order of concentration. To check whether a product contains Cinnamyl Alcohol, scan the ingredient list for its INCI name exactly as it appears above. Ingredients present at 1% or less may appear in any order after the 1% threshold.
Product types to prioritise checking: Perfume, Soap. These product categories are the most common sources of Cinnamyl Alcohol exposure based on formulation data.
Not sure if your products contain Cinnamyl Alcohol? Paste the ingredient list into the free ingredient checker to scan for Cinnamyl Alcohol and other allergens automatically.
Cross-Reactions
If you react to Cinnamyl Alcohol, you may also react to:
Safer Alternatives
These ingredients serve a similar function with lower allergy risk:
Frequently Asked Questions
Is Cinnamyl Alcohol safe for sensitive skin?
Cinnamyl Alcohol may cause reactions in some sensitive individuals. Patch testing is advisable.
What products contain Cinnamyl Alcohol?
Cinnamyl Alcohol is commonly found in perfume, soap.
What does Cinnamyl Alcohol do in cosmetics?
Cinnamyl Alcohol functions as a fragrance in formulations.
Related Guides
Top 10 Cosmetic Allergens
Is Cinnamyl Alcohol on the list? See the full clinical ranking.
Fragrance-Free Skincare Guide
Why fragrance is the #1 cause of cosmetic contact dermatitis.
How to Read Ingredient Labels
Decode INCI names and find hidden allergens in your products.
Find Your Skin Allergy Trigger
Step-by-step elimination method to identify your trigger.
Contact Dermatitis Guide
Symptoms, causes, patch testing, and treatment options.
Is Cinnamyl Alcohol causing YOUR skin reactions?
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