Women may touch their necks when flirting because it shows the curvature of the neck, which is appealing to some men. Some women may also raise their eyebrows and give a love interest a sideways glance when flirting, according to Science of People.
When women flirt, they sometimes glance at a love interest over a raised shoulder. This highlights the curves of the female face, and women perform this type of body language instinctively.
Another sign a woman is flirting involves touching, stroking or twirling her hair. Women also make more eye contact when flirting than men, which is a subtler form of flirting that often goes unnoticed, according to Science of People.