Answer:
What has a head and a tail but no body?
I get wet when drying. I get dirty when wiping.
The letter S is added to pluralise most words in the English language. eg. Letter to Letters Word to Words and Language to Languages. But I am a word that is pluralised with the addition of the letter C.
In a tunnel of darkness lies a beast of iron. I can only attack when pulled back. What am I?
Lighter than what I am made of. More of me is hidden than seen. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?