Answer:
I am milky white and scares people.
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not. What am I?
I am gentle enough to soothe your skin, light enough to fly in the sky, strong enough to crack rocks. What am I?
What runs around the whole yard without moving?
A hundred arms, a thousand fingers, but I have no eyes to see where I linger. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?