Microneedling: a review

1 Universidade de Ribeirão Preto, Pós-Graduação Fisioterapia Dermatofuncional, Ribeirão Preto, SP, Brazil. Conflicts of interest: none. Introduction: Microneedling, also called percutaneous collagen induction therapy (PCIT), is a technique applied with an equipment called roller. It is suitable for rejuvenation, alopecia, all types of scars, acne, photo rejuvenation, stretch marks, skin flaccidity, melasma, expression wrinkles, and improvement of the general aspect of the skin. Objective: Perform a literature review to identify the major clinical applications of microneedling. Methods: The research was done from 2009 to 2018, in electronic databases PubMed and Scielo. The studies recovered were described and analyzed. Results: We selected 12 articles and two books for their relevant content. Conclusion: Microneedling is a simple technique, an innovative treatment that has been used for different dermatological pathologies. This method acts by naturally stimulating collagen by responding to the inflammatory process and also by activating the transdermal ingredient access system (TIAS), known as Drug Delivery. ■ ABSTRACT