18th Century clothing is more like Ben Franklin and Last of the Mohicans type stuff. Men with ponytails, hose, knee breeches, cocked/tricorn hats, etc.
1700s stuff.
Men's fashions made a drastic change in the first couplethree decades of the 1800s.
Best bet for commercially available 18th Century/1700s is pirates, Manitou Traders L&C and that Thomas Jefferson fig.
Maybe Barbie or some other pink company produced a male fig with some usable attire for Beauty and the Beast or the like. I don't know.