This hair loss question was answered by Dr. Robert True of New York, NY who is a member of the Coalition of Independent Hair Restoration Physicians. His professional answer is below.
I just recently had a hair transplant and it’s finally starting to grow. I noticed that some hair is growing rather fast while others haven’t popped through yet. I know this is normal, but my hair is starting to look straggly. Is it safe to cut the new transplanted hair?
Because the new transplanted hairs come in gradually and are fine in caliber in the beginning, the vast majority of hair restoration patients find that they do not have any problem with their appearance as hair regrowth develops.
However, some patients find that keeping their hair short all over their head as the new hair grows in makes the process even less evident. It is ok to cut the newly growing hair without fear of any damage. The hair can be cut as short as a number one clipper setting if desired.