Skin in a dream often represents identity and the protective boundary between your inner self and the outside world. Skin that's peeling or shedding can point to a transformation already underway, while irritated or damaged skin often reflects a boundary that's felt too exposed or thin lately.
Those doubts are soon resolved, that are propounded when the Moon and the planet to whom she applies are in signs, having voice, and in the first or third houses, or in opposition of them. - William Lilly (1602.-1681.)