Science
Mechanism of Action
Functions purely as a sensory modifier by interacting with olfactory receptors to provide fragrance, offering no direct skin improvement benefits. Can potentially bind to skin proteins as a hapten, which may trigger delayed-type hypersensitivity reactions in predisposed individuals.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 IFRA standards demonstrate concentrations above 1% in leave-on products significantly elevate contact dermatitis risk
- 02 Human patch testing at 100% concentration caused moderate irritation in 9% of volunteers (2/22 subjects)
- 03 In vitro keratinocyte studies at 20% concentration showed mild irritant potential
Transparency
Dusting Analysis
As a fragrance component with known allergenic potential, this ingredient is heavily regulated rather than dusted, with mandatory INCI disclosure requirements when present above 0.001% in leave-on products.
The Formula
Formulation
Stability
Highly vulnerable to oxidative degradation when exposed to air and light, requiring antioxidant protection such as BHT. Undergoes aldol condensation reactions in alkaline conditions above pH 7.
Synergies
- Antioxidants like BHT for stability protection
Conflicts
- Strong oxidizing agents
- Alkaline ingredients
- Primary amines (forms unstable Schiff bases)
Safety
Safety Profile
Classified among EU's 26 fragrance allergens requiring individual INCI listing above 0.001% in leave-on products and 0.01% in rinse-off formulations. IFRA usage restrictions apply based on product category.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A regulated fragrance ingredient that serves its scenting purpose effectively but offers no skincare benefits while carrying moderate sensitization risk.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources