The Definitive Guide to microneedling facial
Microneedling, often called percutaneous collagen induction (PCI), is often a minimally invasive strategy which was to start with described as a principle by Orentreich and Orentreich8 whereby subcutaneous subcision surgical procedure stimulates collagen beneath retracted scars and wrinkles. Fernandes9,10 made use of the same system of inserting a