Hair Shaft The hair shaft is definitely the part of the hair that we can see. Once the hair grows past the skin’s surface, the cells aren’t alive anymore. It’s produced up of three levels of keratin, a hardening protein. Those people levels are: induce elevated hair reduction," she clarifies. https://raymondxekqx.blogs100.com/36790604/the-ultimate-guide-to-best-hairdressers-in-ottawa