Portable Iontophoresis Device for Efficient Drug Delivery

Area of Science:

• Biomedical Engineering
• Materials Science
• Dermatology

Background:

• Effective drug delivery to targeted body sites is crucial for treatment success.
• Transdermal drug delivery systems offer a non-invasive alternative to traditional methods.
• Iontophoresis utilizes electrical current to enhance drug penetration through the skin.

Purpose of the Study:

• To develop and evaluate a portable, wearable facial device for efficient drug delivery using iontophoresis.
• To investigate the manufacturing process and numerical modeling of the iontophoresis system.
• To assess the efficacy of the device in enhancing skin moisture and drug absorption.

Main Methods:

• Manufacture of direct current and pulse ionization power supplies via injection molding.
• Integration of silver (Ag) metal wire electrodes into facial mask packs.
• Numerical modeling of skin diffusion and iontophoresis processes.
• In vitro analysis using rhodamine B to quantify drug absorption and skin hydration.

Main Results:

• Successful fabrication of wearable facial masks with integrated electrical stimulation elements.
• Numerical simulations accurately modeled the iontophoresis and diffusion phenomena.
• Demonstrated significant increase in skin moisture content.
• Confirmed effective drug absorption under an applied electric field.

Conclusions:

• The proposed wearable facial device effectively delivers drugs using iontophoresis.
• The study validates a novel method for enhancing transdermal drug absorption with wearable technology.
• This approach offers a promising new avenue for localized and efficient drug delivery.