Microneedling can be combined with PRP, which stands for Platelet-rich-plasma. PRP accelerates and amplifies the reparation process of the skin, which can give even better results. You can consult the PRP section for more information.
Most people see considerable improvements from 1 to 6 sessions later, depending on the skin problems and area. The treatments are done on a 4 to 6-week interval.