Answer:
makeup for finger tips
I am filled with garb the price is free. Just return what you don't need.
What comes in many different sizes but is always only 1 foot long?
Some will use me, others not. Some have remembered, others forgot. For profit or gain, I'm used expertly. I can't be picked off the ground or tossed into the sea. What am I?
There is one in every corner and two in every room.
What made Cyclops quit teaching?