With every step down the causeway, Kerrigan let go of a little more of her assumed human identity. By the time she was out of sight for anyone looking in casually from the island, she had already discarded the illusion that kept her hair the way it was.
A few feet later and the green was seeping back into her skin.
Down the Causeway (NFB, for one)
A few feet later and the green was seeping back into her skin.