Answer:
What goes in the water black and comes out red?
Look into my face and I'm everybody. Scratch my back and I'm nobody.
My first is in some but not in all. My second is into but not in tall. My third in little but no in big. My fourth in port but not in pig. My whole is made in nature's way. For clothing, rugs used every day.
The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?
We are few to the wise; We are abundant to the drunken; We can calm the beast and are precious to the child; We can devour the heart, without piercing the skin
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.