Science
Mechanism of Action
This ingredient functions exclusively as a perfuming agent, imparting specific olfactory characteristics to cosmetic formulations. It does not exhibit any known direct therapeutic mechanisms or biological activity on the skin itself.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
As a fragrance compound, Methyl Octyl Acetaldehyde is not an active ingredient and thus is not assessed for 'dusting' concerns related to therapeutic efficacy or dosage thresholds on the skin.
The Formula
Formulation
Stability
Methyl Octyl Acetaldehyde is practically insoluble in water but readily soluble in alcohol, fixed oils, and dipropylene glycol. It maintains stability under mild alkaline conditions. While it shows good stability in body lotions, shampoos, and soaps, its stability is compromised in formulations like antiperspirant roll-ons, citric acid-based cleaners, and bleach. For optimal preservation, storage in a cool, dry place within tightly sealed containers, protected from heat, light, and under a nitrogen atmosphere, is recommended.
Conflicts
- strong acids
- strong bases
- strong oxidizing agents
- reducing agents
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has not directly assessed Methyl Octyl Acetaldehyde. The European Commission's Scientific Committee on Consumer Safety (SCCS) indicates a lack of available data regarding human contact allergy for this substance. However, it is Generally Recognized as Safe (GRAS) by the US FDA for use as a food additive. The Research Institute for Fragrance Materials (RIFM) has conducted safety assessments, concluding no expected genotoxicity and establishing No Observed Adverse Effect Levels (NOAELs) for repeated dose and developmental toxicity. Its usage as a fragrance ingredient is governed by IFRA standards.
Your Skin
Skin Compatibility
Our Assessment
Verdict
As a pure fragrance ingredient with no known direct skin benefits and an unknown profile regarding human contact allergy, irritancy, and comedogenicity, its utility in precision skincare formulations is questionable.
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