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.
There are three ways of discovering the accidents proper to men; viz. from the geniture of the native, birth of his first child, or by a question propounded, with which the mind was solicitous and affected. - William Lilly (1602.-1681.)