The Rings of Power revealed that characters such as Arondir and Elrond would have shorter hairstyles. Though it may seem like a superficial detail, hair was extremely important to Elves in Tolkien ...

In The Fellowship of the Ring movie, Glóin can be briefly seen sitting next to Gimli as an older Dwarf with white hair and a beard. Another attendee of the Council of Elrond was the elf Glorfindel.