Limonene is a citrus scent commonly used in skin products. For adults and teens it is usually okay at the small amounts used in cosmetics, but it can irritate the skin or cause allergic reactions, especially if the product is old or has been exposed to air.
If you want to use a product that contains limonene: do a patch test on your inner forearm for 48 hours before regular use; avoid putting it on broken, red or irritated skin; choose fresh, well-formulated products and keep containers tightly closed to limit oxidation; prefer lower-fragrance or fragrance-free products if you have sensitive skin or a known fragrance allergy.
Watch for redness, itching, burning, blisters, or rash after use — these are signs of irritation or an allergic reaction and you should stop using the product. Some authorities require that limonene and other citrus allergens be listed on labels, and regulatory sources note that limonene can be a skin irritant (EU GHS) and a known allergen (EU Cosmetics Directive, EPA). There are also reports of contamination (formaldehyde) in some cases — avoid products with unclear sourcing or that do not list ingredients clearly.
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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.
Use caution with Limonene for adults. Some safety concerns have been identified.
Could weaken or confuse immune system.
Linked to triggering or worsening eczema and similar skin conditions.
Can cause skin redness, itchiness, or rashes—especially on sensitive baby skin.
Connected to cancer risk with long-term or repeated exposure.
Builds up in the body over time with repeated use.
Possible negative effects on the environment
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 adults. Use the age selector above to check other ages.
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