White hair after transplant and laser removal?

Seeing white hairs in the transplanted area about a month after your hair transplant can be surprising, but it’s typically not a cause for concern. These white or gray hairs may be temporary and could result from a phenomenon called “shock loss,” where the transplanted hair temporarily loses pigment due to the trauma of the procedure. In most cases, the hair should return to its natural color once it goes through the shedding and regrowth phases, which usually happen around 3 to 6 months post-transplant.
As for your doctor’s recommendation to use laser therapy starting at 3 months, this is likely for stimulating hair growth and improving the overall results. However, laser treatments won't specifically target or remove white hairs.
If the white hairs persist and are bothersome, other solutions could be considered:
Camouflage with Hair Dye: Once your transplanted hair has grown in fully, some patients choose to dye their hair to cover any graying.
Medications: In some cases, medications like minoxidil can help restore pigment in hair, but this varies from person to person and is not guaranteed.
New Hair Transplant or Follicle Removal: If the white hairs are in a very specific, small area, an option could be to have those follicles removed or replaced in a minor follow-up procedure. However, this is less common and typically done only in extreme cases.
Since your forehead has become smaller, it's also possible that the transplanted hairs are in a more visible area than expected, which might make the white hairs stand out more. Allowing more time for the transplanted area to settle and for regrowth to occur should give you a clearer idea of the final outcome.
Patience is key during the first few months post-transplant, and I’d recommend waiting to see how the hair develops before making any decisions.