Microneedle Patches Technology Microneedle Patches are a cutting-edge non-invasive transdermal drug delivery technology. Micron-sized needles can penetrate the stratum corneum to achieve drug delivery. The article introduces the classification and preparation process of microneedles, including the application of ultrasonic spraying, and explains the advantages and existing technical challenges of microneedle patches in the fields of medicine, medical aesthetics, and biological detection. Contact Us [...]