Is it bad to wear headbands?

Any type of headband can damage your hair, and the damage can increase if the band has a built-in comb. They put pressure on your hair which can cause breakage or flyaways, especially while removing them. They also squeeze your head, which can cause headaches.

Do elastic headbands cause hair loss?

The points themselves can develop traction alopecia as the hair can be pulled from the follicles by the weight of the hairstyle. The tight elastics cause breakage along the hairline, similar to when headbands are too tight. The worst part is, you can only see half of the damage.