Answer:
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?
What covers its face with its hands, speaks no language, yet most known what it's saying?
The more of it there is, the less you see.
The higher I climb, the hotter I engage. I cannot escape from my crystal cage.
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?