Incredible Why Do Some Hairs Grow Longer Than Others 2023. If you randomly find one long, dark hair, it may be that a single hair follicle diverted from its normal path. Web distribution like much of the hair on the human body, leg, arm, chest, and back hair begin as vellus hair.

Web in most instances hair grows back normally if the source of the problem is removed. Web in women, massive hormonal shifts due to pregnancy, menopause, or other potential life changes can cause a comparative spike in testosterone, coaxing out more. Natural asymmetry is one of the main reasons why one side of your hair appears longer.