The Internet consensus seems to be that it was James Monroe, but I cannot find any pictures of him that look like he was wearing a wig. Maybe he wore one on formal occasions when he was a young man. His predecessor, James Madison, certainly wore wigs.
Some say it was John Quincy Adams... others say James Monroe.
According to a biography on James Monroe:
"Monroe was the last U.S. President to wear a powdered wig and knee breeches according to the men's fashion of the eighteenth century."
(Source: www.thefreeresource.com/james-monroe-facts-quotes-biography-and-resources-about-his-presidency)
John Adams was the last president to wear a wig, although it is unknown how many president actually wore a wig. It is know that many have.
Many of the early presidents wore powdered wigs.
Monroe
Harrison
no James Monroe did not wear a wig his hair was brown and he wore it back in a ponytail.
Washington
There are 3/7 for a girl in headband to be picked.
adams
George Washington
Warren Gamaliel Harding
Well it is a great ? The answers they wore it down and a dances they wore it up in pigtails thank you.
The President Wore Pearls was created on 2003-11-16.
clothes
Ronald Reagan was not in fact the first "sitting" president to wear contact lenses while in office. That person would in fact be Lyndon B. Johnson. ref: http://www.opticalheritagemuseum.org/Industry/HistoricalPresEyeglassesLBJ.htm
grant
another word for ponytail would be beleadel.