For toddlers (1-2 years): thymol can be used carefully in topical products made for young children, but it can irritate sensitive skin and can increase skin absorption of other ingredients.
Choose products formulated for toddlers and follow the label. Do not use undiluted thymol or strong essential-oil products on a toddler. Before regular use, do a small patch test on the inner forearm and wait 24 hours. Avoid putting products with thymol on broken, red, or sore skin and keep them away from the face, eyes, nose and mouth. Use sparingly and stop use if you see redness, swelling, blisters, or if your child has breathing changes.
Safety reviewers and national regulators (industry cosmetic safety review panels, European hazard labeling guidance, and the Japan Ministry of Health) note use or concentration limits for thymol and that it can enhance skin penetration. Some product verification programs restrict its use unless extra safety data is provided. Watch for skin irritation or allergic reactions (redness, itching, swelling, blistering) and seek medical care for breathing problems or severe reactions. These cautions are based on safety reviews and national regulatory guidance.
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This list shows products that contain Thymol or its alternative names.
Use caution with Thymol for 1-2 year old toddlers. Some safety concerns have been identified.
May harm organs like liver, kidneys, or lungs with repeated use. Young children may be more sensitive to these effects.
Can be absorbed through the skin and get into the bloodstream. Young children may be more sensitive to these effects.
Banned or heavily restricted in one or more countries. Young children may be more sensitive to these effects.
Possible negative effects on the environment Young children may be more sensitive to these effects.
Can cause skin redness, itchiness, or rashes—especially on sensitive baby skin. Young children may be more sensitive to these effects.
Thymol 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 1-2 year old toddlers. Use the age selector above to check other ages.
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