Answer:
Whoever made me doesn't want me. Whoever bought me doesn't need me. Whoever uses me doesn't know me. What am I?
Cloud is my mother, wind is my father. What am I?
I am clean when Iām black dirty when Iām white.
Until I am measured, I am not known. Yet, how you miss me when I have flown. What Am I?
I stay where I am when I go off. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?