For kids age 5 and up, Hexyl Cinnamal is usually low-to-moderate risk. The main issue is allergic skin reactions — some children, especially those with sensitive skin or eczema, can get redness, itching, or rashes from products that contain it.
If you’re using a product with this ingredient on a child: choose fragrance-free when possible; do a small patch test on the inside of the forearm and wait 24–48 hours before using more widely; avoid putting it on broken or irritated skin or near the eyes and mouth; stop use if any redness or itching appears and consult your child’s doctor if the reaction is significant.
Watch for signs of allergy: redness, itching, bumps, or swelling after use. This ingredient is listed as a known allergen under the EU Cosmetics Directive and there is limited evidence of skin irritation noted by the European Chemicals Agency. Animal studies reported possible hormone effects at higher doses (U.S. EPA), but that is a lower-level concern. Avoid products with this ingredient for children with known fragrance allergies or active eczema, and check product labels for “hexyl cinnamal.”
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This ingredient has the following documented risks:
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This ingredient is found in the following products:
This list shows products that contain Hexyl Cinnamal or its alternative names.
Scientific research related to this ingredient:
These research articles provide scientific evidence about Hexyl Cinnamal safety and effects.
Use caution with Hexyl Cinnamal for 5+ year old children. Some safety concerns have been identified.
Could weaken or confuse immune system.
May mess with natural hormone development in babies and children.
May harm organs like liver, kidneys, or lungs with repeated use.
Hexyl Cinnamal is commonly found in skincare products, cosmetics, and topical applications. Always check ingredient labels before use.
The appropriate age depends on the specific ingredient properties and concentration. This analysis is for 5+ year old children. Use the age selector above to check other ages.
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