Micro needles have a wide array of applications across diverse fields. They are employed for painless drug delivery in medicine and cosmetics, facilitating precise and controlled treatment. In pharmaceuticals, they enhance drug effectiveness, while in diagnostics, they enable minimally invasive sampling. Micro needles also play a pivotal role in research, offering precise substance introduction into biological specimens. Additionally, they find utility in vaccination, transdermal patches, wound healing, veterinary medicine, and personal care products, showcasing their versatility and impact in numerous industries.