Answer:
What has six faces, But does not wear makeup. It also has twenty-one eyes, But cannot see?
What has a single eye but cannot see?
Different lights do make me strange, thus into different sizes I will change.
If Teresa’s daughter is my daughter’s mother, who am I to Teresa?
Take off my skin, I won't cry, but you will.
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?