Thymol

5+ year old childrenSkin contact product

Check for Different Age (6 available)

Is this kid-friendly to use Thymol?

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USE WITH CAUTION
Danger Score: 4 (Lower is safer)
Quick Answer: Thymol use with caution for 5+ year old children when used in topical products. Kids may have different tolerance levels.

ℹ️General Overview

For school-age children (5+ years) thymol is generally low risk when used in low-strength skin products made for topical use. The biggest issues are skin irritation or allergic reactions and that it can help other ingredients get through the skin more easily.

What to Do

Use only skin products that list thymol at low concentrations and are made for children or general topical use. Do a small patch test on the inside of the arm and wait 24 hours before wider use. Don’t use products with thymol on open, broken, or very red skin. Keep concentrated thymol, essential oils, or medicinal solutions away from children. If your child develops redness, swelling, blisters or breathing problems, stop use and seek medical help.

⚠️Warnings

Regulatory and industry safety reviews note limits or restrictions on thymol use and that it can increase skin absorption (sources include cosmetic safety reviews and international hazard labeling). Avoid high-concentration or undiluted thymol products and products not intended for skin use. Watch for signs of a skin allergy or irritation and follow up with a healthcare provider if you’re concerned.

Confidence: HIGH

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Safety Risk Labels

This ingredient has the following documented risks:

Organ Risk: European hazard labeling flags thymol as toxic or harmful to body systems in some tests, and industry reviews note non-reproductive organ toxicity at higher exposures. That means repeated or strong contact could hurt organs such as the liver, lungs, or kidneys.
Absorbed: A cosmetic safety review lists thymol as a skin penetration enhancer. This means it can help itself or other ingredients soak through skin and get into the bloodstream.
Banned: Some regulators restrict how thymol can be used or set concentration limits (for example in Japan), and certain product certification programs require proof before it is allowed. That shows it is limited or controlled in some places.
Environmental: European hazard codes identify possible harm to wildlife and the environment from thymol in some situations. This means it can be toxic to plants or animals if released into nature.
Irritant: Workplace guidance and hazard labeling note handling risks and limit allowed exposures, which indicates thymol can irritate skin, eyes, or breathing when people handle it without protection.

Tap or hover over labels to see detailed risk information.

Alternative Names for Thymol

This ingredient may also be listed as:

thymolTHYMOL, PRIMARY PHARMACEUTICAL REFERENCE STANDARDSR-01000763796ST50586034FT-0612711Q408883AE-562/43461428M0410D01039A845314C09908

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

Products Containing Thymol

This ingredient is found in the following products:

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

Common Questions About Thymol

Is this kid-friendly to use Thymol?

Use caution with Thymol for 5+ year old children. Some safety concerns have been identified.

What are the organ risk risks of Thymol for children?

May harm organs like liver, kidneys, or lungs with repeated use.

What are the absorbed risks of Thymol for children?

Can be absorbed through the skin and get into the bloodstream.

What are the banned risks of Thymol for children?

Banned or heavily restricted in one or more countries.

What are the environmental risks of Thymol for children?

Possible negative effects on the environment

What are the irritant risks of Thymol for children?

Can cause skin redness, itchiness, or rashes—especially on sensitive baby skin.

What products contain Thymol?

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

When can kids start using products with Thymol?

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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