Is there a 0.75 mm dull punch? Or is it possible to use Dr. James Harris’ two step technique with a 0.75 mm tool, so there would be a lot less transected follicles?
Follicular extraction is a very delicate and technically challenging process with its transection risks. As you can imagine, smaller diameter instruments will have more transection rates. It is a balance between technology and technique that will ultimately determine the acceptable transection rate. I have personally developed and used a 0.75mm and even a 0.70mm dull and sharp punch utilizing many techniques (including the two step technique). It is my opinion that the technology has not been perfected to my satisfaction for the entire Follicular Extraction process and damage with the an instrument of this size is generally unacceptable. With the current state of technology, acceptable FUE procedures can be done with a 0.9mm diameter punch.
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There are some doctors using a 0.75mm sharp punch for FUE which is smaller by a factor of 30% from the 0.9mm punch. The follicular holocaust is very large. If it were reliable, I would be using it. Some doctors are telling their audience of patients that they CAN do this successfully with a 0.75 mm sharp punch. I am just a mortal and will not delude the public into believing what they may want to hear, or selling them a ‘bill of goods’ that I believe promotes the business at the patient’s expense.
Leg hair has longer sleep cycles (as does most body hair) than scalp hair and that means that most of the hair is in its sleep cycle and not showing its presence. If you transplant 10 leg hairs and watch them grow, only about 2-3 of them will be evident at any one time (the others are there, but in telogen phase). Body hair also grows at different rates and it may not grow to regular scalp hair length. Furthermore, leg hair does not have the same quality and caliber as your scalp hair. More importantly, even if leg hair transplantation works, are you willing to live with a surgical scar on your leg?