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Moumoujus

POLY(BUTYL CYANOACRYLATE).

Valuable / ANTIMICROBIAL

Poly(butyl cyanoacrylate) is a reactive polymer designed to rapidly form a robust, waterproof, and occlusive film upon contact with skin moisture. This protective barrier efficiently binds skin surfaces and supports natural healing processes by creating an antibacterial shield.

Summary

Film-forming agent Protective barrier Skin adhesive Occlusive

Science

Mechanism of Action

Upon encountering anionic substances such as moisture, blood, or tissue fluids on the skin's surface, poly(butyl cyanoacrylate) undergoes rapid anionic chain-growth polymerization. This process yields a durable, thin, waterproof film that acts as an occlusive and protective dressing. This film effectively adheres to skin edges, providing a physical barrier against external irritants and microorganisms, thereby facilitating optimal skin recovery.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 N-butyl-2-cyanoacrylate (NBCA) tissue adhesive demonstrated safe and effective utility for skin closure following surgical procedures like cesarean delivery, often yielding comparable or superior cosmetic outcomes to traditional sutures.
  2. 02 A cyanoacrylate-based skin barrier improved skin condition for all 11 patients treated around a tracheostomy site, with no reports of pain or stinging.
  3. 03 Butyl cyanoacrylate caused less inflammatory response in experimental incisional wound models when compared to traditional sutures.

Transparency

Dusting Analysis

Not commonly dusted

This ingredient functions as a reactive film-former and adhesive, polymerizing on contact with moisture, rather than being applied as a powdered active. Its role is to create a physical barrier or bond.

The Formula

Formulation

Solubility
Unknown
Optimal pH 4 – 7
0 7 14

Stability

Poly(butyl cyanoacrylate) nanoparticles exhibit stability at low pH. However, the polymer degrades rapidly in alkaline conditions, with significant degradation observed at pH 7.4. Polymerization of butyl cyanoacrylate can also be initiated at a neutral pH of 7 when strong bases like sodium hydroxide are present.

Conflicts

  • Water/moisture (causes rapid polymerization)
  • Alkaline environments (causes polymer degradation)
  • Ionic substances (cause rapid polymerization)

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

Poly(butyl cyanoacrylate) itself has not been specifically reviewed by the Cosmetic Ingredient Review (CIR) for cosmetic use, although some related acrylate copolymers have been noted to lack sufficient safety information. It is listed as 'Not rated' in Paula's Choice's ingredient dictionary. The monomer, n-butyl cyanoacrylate, is widely used and regulated by the FDA for medical and veterinary adhesive applications.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Poly(butyl cyanoacrylate) is a valuable ingredient for targeted skin protection and temporary bonding, forming a durable, occlusive barrier with established efficacy in specific medical and barrier support contexts.

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