Science
Mechanism of Action
This compound undergoes hydrolysis in the presence of water, generating reactive silanol (Si-OH) groups. These silanol groups then form chemical bonds through condensation with hydroxyl groups on inorganic surfaces. Simultaneously, its acryloyloxy group, containing an unsaturated double bond, enables copolymerization with various organic monomers via free-radical polymerization. This dual reactivity improves the mechanical properties and adhesion of materials, rather than providing direct biological effects on the skin.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
This ingredient exhibits significant moisture sensitivity, reacting slowly with water. Optimal hydrolysis and complete dissolution require an organic acid catalyst, ideally at a pH range of 3.5-4.5. The resulting hydrolyzates are unstable and must be used within 24 hours to prevent undesirable self-polymerization.
Conflicts
- strong oxidizing agents
- strong acids
- strong bases
- water (leads to hydrolysis and instability of hydrolyzates)
Safety
Safety Profile
ACRYLOYLOXY PROPYLTRIMETHOXYSILANE has not been directly evaluated by the Cosmetic Ingredient Review (CIR) Expert Panel for cosmetic use, nor is there an SCCS opinion. Safety data sheets indicate significant hazards, including the potential to cause severe skin burns, serious eye damage, and allergic skin reactions. It is also harmful if inhaled and to aquatic life with long-lasting effects. It is not identified as a PFAS.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Given its high irritancy, potential for severe skin burns and allergic reactions, lack of direct cosmetic safety review, and primary function in material science rather than skin biology, this ingredient is strictly not recommended for cosmetic formulations.
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