What are essential oils?

Essential oils are highly concentrated plant extracts that capture the plant's scent and flavor, also known as its 'essence'. They are obtained through distillation or mechanical pressing and are used in aromatherapy, cosmetics, and other applications.

Can essential oils cause skin reactions?

Yes, due to their concentrated nature, essential oils can cause skin irritation or allergic reactions, especially in individuals with sensitive skin or when used in high concentrations. It is always recommended to dilute them properly and perform a patch test.

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Essential Oils

Essential oils are concentrated aromatic compounds extracted from plants, known for their distinct scents and various purported therapeutic properties. In cosmetics, they are primarily used for fragrance, but some may offer specific benefits like soothing or antimicrobial effects. Their potency means they can also be potential irritants or allergens.

NoneFragrance/activeVeganEvidence: Medium

BenefitModerate 1.8 / 4

Soothing i1 / 4

Whether it can calm the skin — linked to less redness, irritation, discomfort, or visible reactivity.

RiskHigh 3 / 4

Sensitization i3 / 4

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

Irritation i2.8 / 4

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

Photosensitivity i1.8 / 4

Whether it can make skin more sensitive to sunlight, raising the risk of sunburn or UV-related irritation. Relevant for some exfoliating acids, retinoids, and certain plant-derived ingredients.

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

Provides natural fragrance
May offer soothing properties
Some have antimicrobial effects

Things to watch

Potential for skin irritation
Can cause allergic reactions
Some are photosensitizing

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Frequently asked questions

What are essential oils?: Essential oils are highly concentrated plant extracts that capture the plant's scent and flavor, also known as its 'essence'. They are obtained through distillation or mechanical pressing and are used in aromatherapy, cosmetics, and other applications.
Can essential oils cause skin reactions?: Yes, due to their concentrated nature, essential oils can cause skin irritation or allergic reactions, especially in individuals with sensitive skin or when used in high concentrations. It is always recommended to dilute them properly and perform a patch test.