Answer:
I hold two meanings. With one I may be broken with the other I hold on.
I move without wings between silken strings. I leave as you find my substance behind
If you're looking for something sweet I know what to do. But if you don't like heat I'm not for you.
What is black when it's clean and white when it's dirty?
I am rarely touched but often held and if you are smart you'll use me well.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?