With an actress's pencil she had slightly altered the line of her eyebrows, and that, taken in conjunction with the new luxuriant growth of fair hair above, so changed her appearance that she felt confident that even if she came face to face with Whittington he would not recognize her.
Whittington would recognize the actress without any makeup.
mnli hypothesis: Whittington would recognize the actress without any makeup. premise: With an actress's pencil she had slightly altered the line of her eyebrows, and that, taken in conjunction with the new luxuriant growth of fair hair above, so changed her appearance that she felt confident that even if she came face to face with Whittington he would not recognize her.