Ingredients with a documented concern, from official datasets and our reviewed database.
Sensitive skin: Best avoidedPregnancy: Use with cautionBabies & kids: Best avoidedEczema-prone: Best avoided
- Allergy risk:Fragrance is the single most common cause of cosmetic contact allergy.
- Irritation:Frequent trigger of stinging and redness on reactive skin.
Caredermis curated dermatological review
An umbrella term that can hide dozens of undisclosed scent chemicals. Fragrance is the leading cause of allergic contact dermatitis from cosmetics, and dermatologists routinely advise fragrance-free products for eczema, babies and sensitive skin.
Sensitive skin: Use with cautionEczema-prone: High caution
- Allergy risk:EU-declarable allergen; clove-scented sensitizer.
The clove scent molecule, a long-established contact allergen on the EU declaration list.
Sensitive skin: Use with cautionEczema-prone: High caution
- Allergy risk:EU-declarable allergen; oxidation products are potent sensitizers.
The citrus-peel scent molecule. Like linalool, it becomes allergenic mainly after oxidizing in opened products.
Sensitive skin: Use with cautionEczema-prone: High caution
- Allergy risk:EU-declarable allergen; oxidized linalool is a common patch-test positive.
A floral scent molecule found in lavender and many essential oils. It oxidizes on air exposure into strongly sensitizing compounds, which is why it must be declared on EU labels.
Sensitive skin: Use with caution
- Allergy risk:EU-declarable fragrance allergen.
A violet-type scent chemical requiring EU allergen declaration.
preservative · solvent · fragrance
Sensitive skin: Use with cautionEczema-prone: Use with caution
- Allergy risk:One of the 26 EU-declarable fragrance allergens.
- Irritation:Mild irritation possible at higher concentrations.
A preservative and fragrance component that must be declared on EU labels because it can trigger contact allergy in a small share of users.
Sensitive skin: Use with caution
- Allergy risk:EU-declarable fragrance allergen.
A floral fixative on the EU allergen list, with early-stage evidence of weak hormonal activity being evaluated by regulators.
Sensitive skin: Use with cautionEczema-prone: Use with caution
- Allergy risk:EU-declarable fragrance allergen.
A rose-type scent component on the EU's mandatory-declaration allergen list.
Sensitive skin: Use with cautionEczema-prone: Use with caution
- Allergy risk:EU-declarable allergen found in tonka bean and many perfumes.
A sweet hay-scented molecule requiring EU allergen declaration; a regular positive in fragrance patch-test series.
Sensitive skin: Use with caution
- Allergy risk:EU-declarable fragrance allergen.
A common jasmine-scented ingredient in fine fragrance and skincare, declared as an allergen on EU labels.
- Environmental impact:Poorly biodegradable; can remobilize heavy metals in waterways.
A metal-binding stabilizer that is safe on skin at the tiny amounts used; its criticism is environmental persistence.
- Irritation:Can irritate freshly shaved underarm skin.
The standard antiperspirant active. Large reviews and the EU's scientific committee found no supported link to breast cancer or Alzheimer's at cosmetic exposure levels.
