The most frequent modalities for transdermal medication administration include hypodermic needles, topical creams, and transdermal patches. Because the stratum corneum layer of the skin functions as a barrier for molecules, only a few molecules reach the site of action, most therapeutic medications have a limited effect. This page discusses the various varieties of microneedles and how they are made. Thenumerous types of microneedles and how they are created are also discussed on this page.Microneedles are a novel type of delivery method that helps to improve medication distribution through this route while also solving the issues that come with traditional formulations. The fundamental premise entails disrupting the skin layer, resulting in micron-sized channels that lead the drug directly to the epidermis or upper dermis region, where it can bypass the barrier and enter the systemic circulation.This technique is now being used in a variety of fields, including oligonucleotide distribution, vaccine delivery, insulin delivery, and even cosmetics delivery. Many microneedle products have entered the market in recent years. Although, before the microneedles can be successfully launched into the market, much study must be done to solve the many problems. The third piece of this examination looks at the issues and obstacles that come with using microneedles. The traditional way of delivering a drug to patient was painful but by using the microneedle it was quite painless which improves the patient compliance and the delivery of potent medication easier which avoids dose dumping and help in therapeutic effectiveness.