Limonene is a citrus fragrance ingredient that can irritate newborn and infant skin and can cause allergies, especially after it has been exposed to air and oxidizes. For babies 0–6 months, it’s safer to avoid it.
Choose fragrance-free products for your baby (soap, lotion, wipes). Avoid products that list limonene, citrus oil, or simply ‘fragrance’ on the label for infants. If you must use a product with limonene on a caregiver, don’t apply it to hands or chest before holding the baby. If baby’s skin comes into contact, rinse gently with water and stop use.
Watch for redness, swelling, rash, or blisters where a product was used — these can be signs of irritation or an allergic reaction (EU GHS; EPA). There are reports of possible formaldehyde contamination with this ingredient, which can also irritate (contamination concerns). Some authorities require special labeling because it is a known skin allergen (EU Cosmetics Directive). Animal studies noted developmental effects only at high doses — still, this supports extra caution with very young infants (animal study reference). If you see any breathing changes, severe swelling, or widespread rash, seek medical care right away.
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This ingredient has the following documented risks:
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This ingredient may also be listed as:
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This ingredient is found in the following products:
This list shows products that contain Limonene or its alternative names.
Scientific research related to this ingredient:
These research articles provide scientific evidence about Limonene safety and effects.
Limonene is not recommended for 0-6 month old babies due to potential safety risks.
Could weaken or confuse immune system. This is especially important for babies whose skin and systems are still developing.
Linked to triggering or worsening eczema and similar skin conditions. This is especially important for babies whose skin and systems are still developing.
Can cause skin redness, itchiness, or rashes—especially on sensitive baby skin. This is especially important for babies whose skin and systems are still developing.
Connected to cancer risk with long-term or repeated exposure. This is especially important for babies whose skin and systems are still developing.
Builds up in the body over time with repeated use. This is especially important for babies whose skin and systems are still developing.
Possible negative effects on the environment This is especially important for babies whose skin and systems are still developing.
Limonene 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 0-6 month old babies. Use the age selector above to check other ages.
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