Hair Shaft The hair shaft will be the part of the hair that we can easily see. When the hair grows past the pores and skin’s floor, the cells aren’t alive anymore. It’s built up of 3 levels of keratin, a hardening protein. All those layers are: Encyclopaedia Britannica's editors https://kylerwfntv.angelinsblog.com/35325781/details-fiction-and-hair-salon-ottawa-centretown