头发

I'm losing my hair.

Her hair streamed (out) in the wind.

His hair is naturally wavy.

wind-swept hair

dry/wet hair

hairpin

lose one's hair

with hair dishevelled

style one's hair

adjust one's hair

wash/shampoo one's hair; have a shampoo

shave off one's hair

arrange one's hair; dress one's hair

tie/put/turn up one's hair

wear one's hair long

cut sb's hair; have one's hair cut

do up/bind one's hair

dye one's hair black

a good head of hair

a lock/tuft/wisp/strand of hair