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Fragrance, Essential Oil & Contact Allergen Decoder

Screen cosmetic formulas for the EU 26 regulated fragrance allergens, natural essential oil terpenes, formaldehyde releasers, and harsh drying alcohols.

Test sample:
11 ingredients analyzed
Sensitization Audit

⚠️ 8 Contact Allergens Detected

Formulation contains ingredients with high documented rates of allergic contact dermatitis or neurovascular flushing.

Identified Sensitizing Ingredients (8)

Fragrance (Synthetic Parfum Blend)Fragrance & EU 26 Terpenes

Volatile aromatics and pre-haptens that auto-oxidize into potent contact allergens.

Essential Plant Oil ExtractNatural Essential Oils

Complex plant-distilled terpenes that cause contact dermatitis and phototoxicity.

Volatile Aromatic Terpene AllergenFragrance & EU 26 Terpenes

Volatile aromatics and pre-haptens that auto-oxidize into potent contact allergens.

Volatile Aromatic Terpene AllergenFragrance & EU 26 Terpenes

Volatile aromatics and pre-haptens that auto-oxidize into potent contact allergens.

Volatile Aromatic Terpene AllergenFragrance & EU 26 Terpenes

Volatile aromatics and pre-haptens that auto-oxidize into potent contact allergens.

Volatile Aromatic Terpene AllergenFragrance & EU 26 Terpenes

Volatile aromatics and pre-haptens that auto-oxidize into potent contact allergens.

Denatured Alcohol (Simple Short-Chain Alcohol)Volatile Drying Alcohols

High-volatility solvents that dissolve intercellular barrier lipids, triggering stinging.

MethylisothiazolinoneIsothiazolinones (MI/MCI)

Industrial biocides linked to the historic 2010s cosmetic contact allergy epidemic.