Using the appropriate size of the Derma Roller leads to obtaining the desired results in the fastest time. What people should be aware of is that microneedling is a long-term process that may take some time to show results. It is normal for the skin in the treated area to become full due to growth and blood pumping in those areas. This usually takes less than 24 hours, although side effects such as redness and dryness may be prolonged depending on the severity of application in the sessions