Answer:
Look into my face and I'm everybody. Scratch my back and I'm nobody.
Always wax, yet always wane: I melt, succumbed to the flame. Lighting darkness, with fate unblest, I soon devolve to shapeless mess.
A beacon from home to guide your way. It can be a lifesaver on a stormy day. What is it?
What can be heard and caught but never seen?
I saw a man in white, he looked quite a sight. He was not old, but he stood in the cold. And when he felt the sun, he started to run. Who could he be? Please answer me.
You use it between your head and your toes, the more it works the thinner it grows.