Answer:
The eight of us go forth not back to protect our king from a foe's attack. What are we?
They can be long or short; they can be grown or bought; they can be painted or left bare; they can be round or square.
Tall, I am young. Old, I am short. With life I glow. Anemoi is my foe.
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
I never was but am always to be, and everyone looks forward to me
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?