Farnesol is a scent ingredient. For kids age 5 and up it is usually low risk, but it can cause allergic skin reactions in some children, especially those with sensitive skin or eczema.
Before regular use, do a small patch test: put a tiny amount on the inside of the forearm and wait 24 hours. Avoid using products with farnesol on broken skin, near the eyes, or on irritated areas. If your child has eczema or a history of skin allergies, prefer fragrance-free products. Stop use and wash the area if you see redness, bumps, swelling, or itchiness.
Farnesol is listed as a known human allergen by industry and regulatory sources (for example the EU Cosmetics Directive and the International Fragrance Association) and has labeling or use restrictions in some regions. Limited evidence of skin reactions has also been noted by the European Chemicals Agency. If your child develops a strong reaction (spreading rash, swelling, difficulty breathing), seek medical help right away.
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This ingredient is found in the following products:
This list shows products that contain Farnesol or its alternative names.
Scientific research related to this ingredient:
These research articles provide scientific evidence about Farnesol safety and effects.
Yes, Farnesol 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.
Farnesol 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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