For children aged 5 years and older (school-age children, kids, teens): coumarin is usually low to moderately concerning when used in small amounts on the skin, but it can cause allergic skin reactions in some children. It is not a strong cancer concern for people, but allergy risk is the main issue.
If a product lists coumarin or simply 'fragrance': do a small patch test first (apply a tiny amount on the inside of the forearm and wait 48 hours). Avoid using products with coumarin on children who have eczema, very sensitive skin, or a known fragrance allergy. Choose fragrance-free or hypoallergenic products when possible. Do not apply to broken, red, or inflamed skin and avoid use near the eyes, mouth, or diaper area.
Watch for redness, itching, rash, swelling, or blistering after use — these are signs of an allergic reaction (source: EU Cosmetics Directive and International Fragrance Association). Also note coumarin can increase skin absorption (source: EU Cosmetics Directive). It is restricted in some product standards and has been banned as a food additive by U.S. regulators (source: U.S. FDA). If you see any reaction, stop use and contact your child’s healthcare provider.
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This ingredient is found in the following products:
This list shows products that contain Coumarin or its alternative names.
Scientific research related to this ingredient:
These research articles provide scientific evidence about Coumarin safety and effects.
Yes, Coumarin is generally considered safe for 5+ year old children based on current research.
Could weaken or confuse immune system.
Can cause skin redness, itchiness, or rashes—especially on sensitive baby skin.
Linked to triggering or worsening eczema and similar skin conditions.
Can be absorbed through the skin and get into the bloodstream.
Banned or heavily restricted in one or more countries.
Coumarin 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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