Science
Mechanism of Action
This ingredient primarily functions as a perfuming agent, imparting a clean, vibrant citrus scent. Mechanistically, it operates by inhibiting lactate dehydrogenase (LDH) derived from skin bacteria, particularly Bacillus species. By targeting bacterial LDH, it effectively disrupts the formation of isovaleric acid, a key volatile compound known to contribute significantly to unpleasant body odor, thus providing targeted odor control.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Citral Dimethyl Acetal demonstrates good to very good stability in fine fragrances, shampoos, creams, and soaps. While generally stable against nucleophiles, bases, and most oxidants, its acetal structure is susceptible to hydrolysis when exposed to acidic conditions, suggesting optimal stability in neutral to slightly alkaline formulations.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) typically defers evaluation of solely fragrance ingredients to the Research Institute for Fragrance Materials (RIFM), and thus has not specifically reviewed Citral Dimethyl Acetal. Although its parent compound, Citral, is an EU-regulated fragrance allergen requiring declaration above 0.001% in leave-on and 0.01% in rinse-off products, there is no specific SCCS opinion directly on Citral Dimethyl Acetal. Human experience with a 4% solution of Citral Dimethyl Acetal showed no signs of irritation or sensitization, indicating a generally low risk for these adverse reactions. It is recognized by the FDA as a flavoring agent.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Citral Dimethyl Acetal is an optional ingredient offering a pleasant citrus fragrance and targeted odor control, with a generally favorable safety profile and low risk for irritation or pore clogging.
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