Science
Mechanism of Action
This organosilicon compound operates as a surface modifier by forming silanol groups upon exposure to moisture through hydrolysis. These silanol groups then crosslink to create stable siloxane networks, a process that enhances surface hydrophobicity and facilitates the adhesion of organic materials to inorganic substrates. In cosmetic applications, this mechanism supports its role in conditioning the skin and forming a protective film.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Isobutyltriethoxysilane is highly sensitive to moisture; it undergoes slow decomposition upon contact with humid air or water, releasing ethanol. It requires storage under inert gas and strict protection from moisture to maintain integrity.
Conflicts
- Oxidizing agents
- Water (slow decomposition)
Safety
Safety Profile
Although Isobutyltriethoxysilane belongs to the alkoxyl alkyl silane class, for which some members (e.g., Triethoxycaprylylsilane) have been reviewed and deemed safe by the CIR Expert Panel, this specific ingredient has not received an explicit safety conclusion. Safety Data Sheets indicate that it causes skin irritation (Category 2, H315) and serious eye irritation. No specific SCCS or FDA regulatory status for its use in cosmetics was identified.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While Isobutyltriethoxysilane offers beneficial skin conditioning and film-forming properties, its 'insufficient data' status from CIR and reported skin and eye irritation raise significant concerns for use in precision skincare formulations.
Related
Similar Ingredients
Finding similar ingredients…