is that each graft contains more hair density, the hairs are more likely to be grouped in a natural pattern, the tissue is healthier because it is less likely to be damaged during separation and the actual surgery takes less time. The most impressive advantage is that the hair surgery achieves more satisfying results in just a single procedure. Risks and Side Effects Post operative bleeding can occur in the first few days after surgery. There may be moderate swelling anywhere from 1 to 5 days. Temporary numbness can occur and in some rare cases can last for years. There may be temporary tightness in the suture line and/or scalp sensitivity. Cost The cost of a hair transplant surgery using multiple follicular unit grafts can be significantly less than surgeries done with micro grafts and follicular units only. When using only FU grafts, there is a hidden cost because it will ultimately require more surgeries to achieve the same density as one surgery using multiple follicular unit grafts. References Hair transplantation Transplantation medicine