What is Limonene and why is it in cosmetics?

Limonene is a natural compound found in citrus peels and other plants, primarily used in cosmetics as a fragrance component to impart a fresh, citrusy aroma to products.

Can Limonene cause skin reactions?

Yes, Limonene can oxidize when exposed to air and light, forming compounds that are known allergens. This can lead to skin irritation or allergic contact dermatitis in sensitive individuals.

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Limonene

Limonene is a naturally occurring chemical found in the rinds of citrus fruits and other plants. It is widely used in cosmetics and personal care products as a fragrance ingredient, providing a fresh, citrusy scent. While generally safe, it can oxidize upon exposure to air and light, potentially forming allergenic compounds.

Fragrance ingredientVegan

BenefitNone 0 / 4

RiskHigh 2.5 / 4

Sensitization i2.5 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Irritation i2 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Rated by SpottyLabs' ingredient methodology, independent of brands.

Things to watch

potential allergen
can cause skin sensitization

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Products with Limonene

L'Oréal Paris

Age Perfect Serum Le Duo

4.6/ 526/25/7

Lumene

Nordic-C [Valo] Glow Boost Essence

4.4/ 515/16/7

Caudalie

Resveratrol-Lift Firming Night Cream

4.4/ 513/22/5

Dear, Klairs

Freshly Juiced Vitamin E Mask

4.3/ 512/8/10

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Frequently asked questions

What is Limonene and why is it in cosmetics?: Limonene is a natural compound found in citrus peels and other plants, primarily used in cosmetics as a fragrance component to impart a fresh, citrusy aroma to products.
Can Limonene cause skin reactions?: Yes, Limonene can oxidize when exposed to air and light, forming compounds that are known allergens. This can lead to skin irritation or allergic contact dermatitis in sensitive individuals.