Science
Mechanism of Action
This ingredient functions principally as a perfuming agent, contributing a specific sweet and fruity olfactory profile to skincare and cosmetic products. Its solvent properties allow it to aid in the uniform dispersion and dissolution of other components within a formulation.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Isobutyl Butyrate is highly flammable. It exhibits reactivity with acids, particularly strong oxidizing acids, which can liberate heat and potentially lead to vigorous reactions. Interaction with caustic solutions also generates heat. Mixing with alkali metals and hydrides can produce flammable hydrogen gas. While generally considered slightly soluble in water, it can also be immiscible and spread across the water surface.
Conflicts
- acids (strong oxidizing acids)
- caustic solutions
- alkali metals
- hydrides
Safety
Safety Profile
While the FDA lists Isobutyl Butyrate (FEMA No. 2187, CAS 539-90-2) as Generally Recognized As Safe (GRAS) for specific food flavoring applications, European safety information indicates a potential for irritation to the eyes, respiratory system, and skin. However, in a Blue-Screen assay, it was found to be negative for both cytotoxicity and genotoxicity.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Primarily a fragrance and solvent, Isobutyl Butyrate lacks specific skin benefits and carries a European warning for potential skin irritation, alongside an 'unreviewed' CIR status, making it a questionable choice for precision skincare.
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References
Sources