Science
Mechanism of Action
As a fragrance ingredient, Alpha-damascone interacts with olfactory receptors to create its characteristic scent. Beyond this, it exhibits antimicrobial effects, showing a clinically relevant impact against the standard S. aureus ATCC 6538 strain and a modulating influence on multi-drug resistant bacterial strains when used in conjunction with antibiotics.
Research
Clinical Evidence
Low confidenceN/A
Key findings
- 01 Demonstrated a clinically relevant antimicrobial effect against S. aureus ATCC 6538 and a modulating effect against multi-drug resistant strains in association with antibiotics.
- 02 Mild to moderate cumulative skin irritation was observed in human studies.
Transparency
Dusting Analysis
Alpha-damascone is primarily incorporated for its sensory impact at extremely low concentrations. Regulatory mandates require its declaration on product labels when present above 0.001% in leave-on formulations, indicating that even at these trace levels, it is recognized to have an effect. This low threshold, coupled with its classification as a sensitizer, signifies its use as a 'dusting' ingredient for fragrance rather than for direct, beneficial skin action.
The Formula
Formulation
Stability
Alpha-damascone demonstrates robust performance under various formulation conditions, retaining its olfactory integrity and resisting oxidation during extended storage. It maintains stability in alcoholic solutions, antiperspirants, creams, deodorant sprays, hair sprays, and soaps. However, it is sensitive to light and can oxidize upon prolonged exposure to air.
Safety
Safety Profile
Alpha-damascone is classified as a GHS Category 1B skin sensitizer and an irritant, necessitating meticulous formulation and use at very low concentrations. It is regulated under IFRA Amendment 51 and listed in Annex III of the EU Cosmetics Regulation. A label declaration is required for leave-on products containing over 0.001% and rinse-off products over 0.01%. While RIFM assessments support its safe use within specified limits, its inherent potential for dermal sensitization and irritation is a critical safety consideration.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Due to its high sensitization risk (GHS Category 1B sensitizer) and classification as an irritant, coupled with a very low maximum allowable concentration of 0.001% in leave-on products, Alpha-damascone poses an unacceptable risk for adverse skin reactions, rendering it unsuitable for precision skincare formulations.
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References
Sources