A dream featuring skin symbolizes self-focus. The dream may imply that you are thinking about how you are perceived by others, or that you are facing an issue or something in your life that needs to be dealt with in more detail.
To have rough or hard skin suggest that you have a strong character or not influenced by other peoples opinions of you.
Soft skin would imply that you are feeling vulnerable or know what your weaknesses are.
To have skin problems in a dream implies you are feeling embarrassed, annoyed, insincere or self-conscious in some way.
If you cover up your skin then it suggests that you are feeling vulnerable in some way, while showing a lot of skin has sexual connotations.