A slight sexier alternative to your regular loose hair is sweeping it to the side and baring one side of your neck. It’s sex appeal comes from its part-exposed, part-concealed aspect, and with a sideways hairstyles we tend to tilt our head slightly which is inviting and flattering according to body language experts. Tilting the head sideways can be a sign of interest, which may be in what is said or happening. It can also be a flirting signal as it says ‘I am interested in you!’ (changingminds.org)