The video above is the The Witcher 3 Wild Hunt Beard and Hairstyle Set DLC Location Guide and shows the location of the Beard and Hairstyle Set that is available as a free DLC for The Witcher III: Wild Hunt.
These are the steps required for the DLC:
Step 1: Download and install the Free DLC on your system.
Step 2: Travel to Oxenfurt in Velen, or Novigrad to locate a barber.
Step 3: Change Geralt’s appearance as you wish, but make sure you have some money to spend.