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Title: What causes our hair to gray, this video will explain it. Written by: duddy on Oct 5, 2014 https://www.youtube.com/watch?v=QRUcVM4gM9g So, does stress really cause your beautiful golden locks to turn silver? Comments: I didn't know there were two types of pigment producing cells in our follicles Written by: bio_man on Sep 27, 2016 |