SQUARE FACE * Yes - Sharp arch. Yes - Smooth arch. No - Flat. Defined peaks in the arch draw attention to the eyebrow and away from the square jaw. A strong brow is needed to counteract a square face. Flat eyebrows contribute to the boxy look.
HEART FACE * Yes - Smooth rounded arch. No - Sharp arch. No - Flat. Soft rounding of the eyebrow arch counteracts the sharp angle of the chin. Flat eyebrows widen the upper face, making it look even more triangular
ROUND FACE * Yes - Angled arches. No - Flat. No - Rounded. Angled eyebrow lines counteract facial roundness. Up & down lines elongate the face. Defined peaks draw attention to the center of the face. Keep the tail a tad shorter than usual. Flat eyebrows direct the eyes side to side, making the face appear shorter and wider.
OVAL FACE * Yes - sharp angled arch. Yes - smooth rounded arch. Yes - flat. The oval face is considered balanced, and works well with about any eyebrow style.
DIAMOND FACE * Yes - Smooth arch. Yes - Sharp arch. No - Flat. A defined peak in the eyebrow draws attention away from the wide midface. Flat brows direct the eye side to side making the width more noticeable.