Similes:
* Her hair, like a silken banner, streamed behind her as she ran.
* His hair danced in the wind, like a wild, untamed creature.
* The wind whipped her hair around her face, like a curtain obscuring the world.
Metaphors:
* The wind sculpted her hair into a living, breathing masterpiece.
* His hair was a storm cloud, swirling and billowing in the breeze.
* The wind painted the air with her hair, a vibrant brushstroke across the sky.
The best option will depend on the specific context and the desired effect.