Ingredients with a documented concern, from official datasets and our reviewed database.
Babies & kids: Best avoided
- Cancer concern:IARC reclassified talc as probably carcinogenic (2A) in 2024; historic asbestos contamination drives concern.
A mineral powder at the center of major litigation and a 2024 IARC upgrade to 'probably carcinogenic'. Regulators specifically warn against powder use on babies (inhalation risk); cornstarch is the standard substitute.
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; lemon-scented sensitizer.
The lemon-scent molecule in lemongrass and citrus oils, a recognized contact allergen requiring EU label declaration.
Sensitive skin: Use with cautionEczema-prone: High caution
- Allergy risk:EU-declarable allergen with well-documented sensitization.
A rose/geranium scent molecule and one of the more frequently positive fragrance allergens in patch testing.
Sensitive skin: Use with cautionEczema-prone: High caution
- Allergy risk:EU-declarable allergen; use concentrations limited by industry standards.
A synthetic lily-of-the-valley scent and well-documented contact allergen.
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 caution
- Allergy risk:EU-declarable fragrance allergen.
A violet-type scent chemical requiring EU allergen declaration.
Sensitive skin: Use with caution
- Allergy risk:EU-declarable fragrance allergen.
A fragrance solvent and fixative that must be declared on EU labels as a potential allergen.
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.
- Environmental impact:Classified vPvB (very persistent, very bioaccumulative); EU restricts it in cosmetics from 2027.
Caredermis curated dermatological review
A volatile silicone giving that silky slip, now being phased down in the EU because it persists and accumulates in aquatic ecosystems.
- 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.
Benzyl CinnamateRegulatory dataAllergy riskEU CosIng Annex III (declarable / restricted)