"Cheveux" if it's on the head.
"Poil" if it's anywhere else on the body :D.
His hair is "ses cheveux" (masc.) in French.
Blue hair is 'les cheveux bleus' in French.
a hair bun is 'un chignon' in French.
Long hair is: les cheveux longs in French.
French people in the west and east have brown hair. French people in the south and north have dirty blonde hair, orange hair, or something like that.
Long hair is "les cheveux longs" in French.
'messy hair' in french is 'cheveux en désordre'
ginger hair is 'les cheveux roux' in French.
far hair
To have long black hair is "avoir de longs cheveux noirs" in French.
An hair tie is "un élastique à cheveux" in French.
hair = cheveux