**18. Cobblestone appearance**

The cobblestoning occurs when follicular units are implanted into hole or slits that are too small or implanted at the incorrect depth.

### **19. Syncope**

Occasionally, very nervous patients faint or feel faint during the procedure, but this can be managed by simple measures such as lowering the head between the knees or laying the patient in a prone position [16].

### **20. Pigment alteration**

Pigment alterations of the skin can appear after a hair transplant. The transplanted area should not be subjected to the sun for at least 1 month after hair transplant procedure. A hat (men) or a scarf (for women) is recommended.
