LifestyleTerrific TressesTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoLifestyle09/26/2013September 26, 2013We take a look at what's at the root of a healthy head of hair. Find out about the different phases of hair follicle activity and what we can do to maintain general good scalp health.https://p.dw.com/p/19oChAdvertisement