Farnesol

2-5 year old preschoolersSkin contact product

Check for Different Age (6 available)

Safe for preschoolers to use Farnesol?

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USE WITH CAUTION
Danger Score: 4 (Lower is safer)
Quick Answer: Farnesol use with caution for 2-5 year old children when used in topical products. Consider preschooler activity levels.

ℹ️General Overview

For children aged 2–5 (toddlers and young kids), farnesol can cause allergic skin reactions. It is not strongly linked to cancer or developmental problems, but it is considered a possible skin allergen.

What to Do

Choose fragrance-free or clearly labeled products for young children. If you must use a product that lists farnesol, test a small patch of skin on the child’s inner arm and wait 24–48 hours for any reaction. Stop use and wash the area if you see redness, swelling, itching, or rash. Prefer products made for sensitive skin and keep usage low and infrequent.

⚠️Warnings

Watch for signs of an allergic reaction (redness, itching, bumps, swelling). This ingredient is listed as a known or possible allergen by regulatory and industry groups (EU Cosmetics Directive; International Fragrance Association - IFRA) and has labeling or use restrictions in some programs. Avoid products containing farnesol on children with eczema or a history of skin allergies, and ask a pediatrician if you’re unsure.

Confidence: HIGH

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Safety Risk Labels

This ingredient has the following documented risks:

Immune system: This ingredient is listed as a known human allergen under the EU cosmetics rules and is flagged as a possible immune-system toxicant by EU authorities. An industry fragrance group also reports strong evidence that it can cause allergic reactions in people. Because it is applied to the skin, it can trigger immune responses in sensitive children.
Irritant: There is documented evidence of dermal toxicity and allergic skin reactions from chemical safety reviews and fragrance industry guidance. That means this topical ingredient can cause skin redness, itching, or rashes—especially on sensitive or young skin.
Eczema: Because regulators and industry reviewers identify this substance as a skin allergen with some dermal toxicity, it can trigger or make eczema and similar skin conditions worse in susceptible children.

Tap or hover over labels to see detailed risk information.

Alternative Names for Farnesol

This ingredient may also be listed as:

farnesolCAS-4602-84-0FARNESOL, MIXTURE OF ISOMERS, ANALYTICAL STANDARDAS-16107S409(2-TRANS,6-TRANS)-3,7,11-TRIMETHYLDODECA-2,6,10-TRIEN-1-OLNCGC00255293-0106F285TRANS,TRANS-FARNESOL, ANALYTICAL STANDARDC01126CS-0031456

Always check ingredient labels carefully, as ingredients may be listed under different names.

Products Containing Farnesol

This ingredient is found in the following products:

This list shows products that contain Farnesol or its alternative names.

Common Questions About Farnesol

Safe for preschoolers to use Farnesol?

Use caution with Farnesol for 2-5 year old children. Some safety concerns have been identified.

What are the immune system risks of Farnesol for preschoolers?

Could weaken or confuse immune system. Young children may be more sensitive to these effects.

What are the irritant risks of Farnesol for preschoolers?

Can cause skin redness, itchiness, or rashes—especially on sensitive baby skin. Young children may be more sensitive to these effects.

What are the eczema risks of Farnesol for preschoolers?

Linked to triggering or worsening eczema and similar skin conditions. Young children may be more sensitive to these effects.

What products contain Farnesol?

Farnesol is commonly found in skincare products, cosmetics, and topical applications. Always check ingredient labels before use.

Is this suitable for preschoolers to using products with Farnesol?

The appropriate age depends on the specific ingredient properties and concentration. This analysis is for 2-5 year old children. Use the age selector above to check other ages.

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